Biological age, Blue Zones, and skin longevity: when living better may be the most desirable way to live longer
We all know our age.
The age on our passport. The age represented by the candles we blow out each year. The age that advances with a regularity over which we have absolutely no control.
But is our body really the same age?
Our heart? Our arteries? Our muscles? Our metabolism?
And our skin?
This is one of the most fascinating ideas in the science of longevity: our chronological age advances at the same pace for everyone, but our biological trajectory is much more personal.
Two people born in the same year may reach the same birthday with bodies that have not experienced time in the same way.
The first retains their energy, strength, and ability to recover.
The other starts to feel earlier that their body is adapting less easily.
We cannot slow the calendar.
But perhaps we can influence, to some extent, how the years are inscribed in our bodies.
And suddenly, the quest for youth becomes much more interesting.
It is no longer just about looking young.
It is about staying fully alive for as long as possible.
Bryan Johnson: when refusing to age becomes a real-life experiment
If there is one face associated today with the contemporary obsession with longevity, it is probably Bryan Johnson's.
The American entrepreneur has turned his own body into a laboratory.
Sleep, diet, physical activity, body composition, performance, biomarkers: almost everything is measured, compared, and optimized.
In his official protocol, he readily admits to having taken this quest to the extreme and describes himself as one of the most biologically measured people in the world.
His ambition sometimes seems lifted from a science-fiction novel: understanding how far data, prevention, and available technologies can alter our aging trajectory.
Fascinating?
Absolutely.
Desirable?
That is another question.
Because behind the precisely timed schedules, biomarkers, and protocols lies a much more universal idea:
Our date of birth is immutable. The way we age may not be entirely fixed.
The science of longevity is increasingly focusing on healthspan rather than lifespan alone.
Lifespan is the number of years lived.
Healthspan asks a much more appealing question: how many of those years can we live in good health, with enough energy, independence, and ability to truly enjoy them?
Because deep down, who simply dreams of reaching 100?
Above all, we want to still want to live at 100.
But must we turn our lives into laboratories to live a long time?
Perhaps that is where the longevity revolution encounters its own contradiction.
By trying to optimize everything, do we risk forgetting what we set out to optimize in the first place?
Life itself.
Every hour of sleep.
Every meal.
Every workout.
Every biological variation.
Every year gained.
Measuring can help us understand.
But living is not just about achieving good numbers.
Engineer and entrepreneur Jean-Michel Karam, who has devoted part of his career to technology applied to skin diagnosis, advocates a different vision: soft longevity.
He says he follows the experiments being conducted in Silicon Valley with interest, particularly those of Bryan Johnson, while rejecting the idea of extending life at all costs. His ambition is different: to age well, stay fit and preserve his natural beauty.
A gentler kind of longevity.
More human.
More compatible with real life.
And above all, one question emerges:
and what if living a long time did not necessarily require living by a strict protocol?
What if longevity looked more like the good life?
That is probably what makes the Blue Zones so fascinating.
Sardinia. Okinawa. Ikaria. Nicoya.
These areas have been studied and popularized for their unusual concentration of people reaching an advanced age.
The subject nevertheless deserves some nuance. Demographic data on the Blue Zones have been subject to criticism and scientific debate regarding age validation, even though recent research supports the robustness of the methods used for some of these populations. A recent scientific review dedicated to the Blue Zones concept rightly highlights both their significance and the discussions surrounding their validation.
But beyond the records of centenarians, something else interests us.
The way of life.
Move naturally.
Eat simply.
Make plenty of room for plants.
Maintain strong social relationships.
Share meals.
Keep family and community at the heart of life.
Have reasons to get up in the morning.
Create moments to slow down.
Walk.
Laugh.
Reconnect.
Health does not necessarily look like a program we execute.
It resembles a life we enjoy living.
And this may be one of the most appealing ideas in all longevity research.
The habits that help us age better do not necessarily have to make our lives more austere.
They can also make it richer.
From soft longevity to hedonistic longevity
This is where a vision that fascinates us at Maison SAHÉO is born.
We call it:
hedonistic longevity.
Get enough sleep.
But still know those nights you never wanted to end.
Nourish your body intelligently.
But sometimes order dessert simply because it is extraordinary.
Preserve your muscles so you can still walk for hours through an unfamiliar city at 70.
Take care of your metabolism to preserve your energy.
Cultivate your relationships as much as your biomarkers.
Have plans.
Curiosity.
People we look forward to seeing again.
Reasons to look forward to tomorrow.
Protect your skin from the sun without being afraid to live outdoors.
Understand your body.
Use science.
Optimize what deserves to be optimized.
Then, sometimes, forget the numbers.
Hedonistic longevity does not reject optimization.
It simply puts it back in its place:
at the service of life, not the other way around.
For what would be the point of gaining ten years if, to achieve it, we gradually removed everything that makes us want to live them?
Perhaps the best longevity protocol is the one we sometimes forget is a protocol.
What if your skin did not know your date of birth?
This is where this reflection meets beauty.
Imagine two 45-year-olds.
The same year of birth.
The same number of candles.
Yet one still has dense, supple, radiant skin, capable of quickly regaining its balance.
For the other, short nights remain visible for longer.
The skin becomes increasingly dehydrated.
It recovers less quickly.
Its texture changes.
Its firmness decreases.
The calendar gives them the same age. Yet their skin tells two different stories.
Because our skin does not count birthdays.
It accumulates a history.
The sun.
Sleep.
Hormones.
Stress.
Pollution.
Diet.
Inflammation.
Lifestyle habits.
The care we have given it—and sometimes the excesses we have imposed on it.
For more than twenty years, skin analysis technologies have sought precisely to objectify part of this story. The career of Jean-Michel Karam notably illustrates this shift toward beauty increasingly guided by the measurement and diagnosis of skin parameters.
But scientific research is now going further.
It is beginning to ask a much more ambitious question:
How long can we preserve healthy skin?
Skinspan: what if youth were a capacity?
This idea now has a name.
Skinspan.
Inspired by healthspan, the term is no longer concerned solely with the skin's appearance at a specific moment, but with the period during which it retains its health, functions, and certain characteristics associated with younger-looking skin.
A scientific publication dedicated to skinspan proposes precisely this approach as a new framework for thinking about long-term skin health, while a review published in Mayo Clinic Proceedings connects this concept to contemporary mechanisms of the biology of aging.
And that changes almost everything.
Because youthful skin may not simply be skin without wrinkles.
It is skin that recovers.
A night that is too short, and it regains its radiance.
A change of season, and its barrier adapts.
An external aggressor, and it gradually regains its balance.
The years pass, but it preserves for as long as possible this silent capacity to respond, repair, and renew itself.
Youth would then be less an appearance than a capacity.
And it is precisely this capacity that skin longevity now seeks to understand better.
What time changes before we can even see it
Beneath skin that we simply find beautiful, an extraordinary biological choreography is constantly unfolding.
Cells communicate.
The barrier renews itself.
Fibroblasts maintain the matrix that structures the dermis.
Collagen is produced, organized, and remodeled.
The skin responds to its environment every day.
Over time, this choreography becomes less fluid.
The major publication Hallmarks of Aging: An Expanding Universe, published in Cell, now describes twelve major interconnected mechanisms of aging, including cellular senescence, mitochondrial dysfunction, chronic inflammation, epigenetic alterations, and the loss of certain maintenance and repair capacities.
Complex words to describe something we recognize very easily in the mirror:
the skin recovers more slowly than before.
A poor night's sleep leaves more traces.
A period of stress becomes visible.
Irritation takes longer to disappear.
Dehydration leaves a stronger mark.
Perhaps one of the first luxuries that time takes from us is therefore not immediately beauty.
It is the ability to bounce back.
Collagen is not simply a story about wrinkles
We talk a lot about collagen.
Often as if it were an invisible cushion that simply needed to be filled to restore younger-looking skin.
Reality is much more interesting.
In the dermis, collagen belongs to a sophisticated architecture called the extracellular matrix.
This matrix contributes to the skin's strength and resilience. It also constitutes the environment in which the fibroblasts that produce and maintain much of this structure operate.
With aging, collagen does not simply “decrease.”
Its architecture changes.
The fibers can gradually fragment, and the mechanical interactions between fibroblasts and their environment can change.
The research by Quan and Fisher on extracellular matrix aging shows how this fragmentation contributes to creating a dermal environment that is less favorable to maintaining the skin's structure and functions.
Other research on interactions between fibroblasts and the extracellular matrix even describes a self-perpetuating cycle: when collagen fragments, fibroblasts lose some of their mechanical tension, produce fewer matrix components, and more enzymes capable of degrading it.
In other words, perhaps we have been asking the wrong question for years.
Instead of asking only:
how can we produce more collagen?
We should also ask:
how can we preserve for as long as possible the environment that enables skin to function well?
This is where collagen truly meets the science of longevity.
Anti-aging sought to correct time. Skin longevity seeks to age better with it.
For decades, beauty primarily operated reactively.
A wrinkle appears: we try to smooth it.
A spot appears: we seek to reduce its appearance.
Firmness decreases: we seek to restore it.
We will probably continue to want all of this.
We will remain human.
We will always love radiant, dense, supple skin.
But a new question is beginning to emerge behind our skincare routines:
how can we preserve for as long as possible what is still working well?
The barrier.
The ability to recover.
The extracellular matrix.
Collagen.
Resilience.
The skin’s ability to adapt to the world around it.
Skin longevity does not promise to stop time.
Nor does it promise to make skin immortal.
It offers something much more interesting:
to care today for the mechanisms our skin will still need tomorrow.
Age slowly. Live intensely.
For centuries, humans sought youth in elixirs and miraculous fountains.
Today, we seek it in our cells.
We speak of biological age.
Healthspan.
Mitochondria.
Senescence.
Skinspan.
The words have changed.
But our desire has remained surprisingly simple.
We want energy.
A body that keeps up with us.
Muscles that respond.
A brain that remains curious.
Skin that retains its ability to recover.
We still want to be able to catch a plane on a whim.
Walk all day through an unfamiliar city.
Dine far too long.
Start a new project at 60.
Discover something we are passionate about at 70.
And to continue being intensely eager for tomorrow.
We do not want to stop time from passing.
We want to preserve for as long as possible what enables us to enjoy life.
Perhaps that, ultimately, is the most modern form of luxury.
Age slowly. Live intensely.
FAQ — Longevity, biological age, and skin longevity
What is biological age?
Chronological age simply corresponds to the number of years that have passed since birth. Biological age instead seeks to assess an organism’s state or aging trajectory based on various biological or functional markers. However, there is no single test capable of determining with certainty a “true” biological age.
What is skin longevity?
Skin longevity, or skin longevity, focuses on the long-term preservation of the skin’s health, functions, and resilience rather than solely correcting visible signs of aging.
What is skinspan?
Inspired by healthspan, skinspan refers to the period during which the skin retains its health, functions, and certain characteristics associated with younger-looking skin. This concept is now the subject of scientific publications on skin aging.
Do Blue Zones prove that a lifestyle can enable people to live to 100?
No. Blue Zones provide an interesting model for studying certain particularly long-lived populations, but their demographic data and interpretation have been debated. The habits frequently associated with them—physical activity, minimally processed food, social relationships, and a favorable environment—should be considered within the broader context of healthy aging research.
Can we really slow skin aging?
We cannot stop natural aging. However, certain factors that influence the skin's trajectory are modifiable. Photoprotection, not smoking, certain lifestyle habits, and an appropriate routine can all help preserve skin health and resilience over time.
What is the link between collagen and skin longevity?
Collagen is a major component of the dermal extracellular matrix. With age, not only its quantity but also its organization, fragmentation, and interactions with fibroblasts change. Skin longevity therefore calls for looking not only at collagen production, but at the entire biological environment that helps maintain functional, resilient skin.
Scientific references
-
López-Otín C., Blasco M.A., Partridge L., Serrano M., Kroemer G. Hallmarks of Aging: An Expanding Universe.Cell. 2023;186(2):243–278. doi:10.1016/j.cell.2022.11.001. PMID: 36599349.
-
Kream E., Fabi S.G., Boen M. Skinspan: A Holistic Roadmap for Extending Skin Longevity With Evidence-Based Interventions. Journal of Cosmetic Dermatology. 2025;24(9). doi:10.1111/jocd.70432. PMID: 40913411.
-
Quan T., Fisher G.J. Role of Age-Associated Alterations of the Dermal Extracellular Matrix Microenvironment in Human Skin Aging: A Mini-Review. Gerontology. 2015;61(5):427–434. doi:10.1159/000371708. PMID: 25660807.
-
Cole M.A., Quan T., Voorhees J.J., Fisher G.J. Extracellular Matrix Regulation of Fibroblast Function: Redefining Our Perspective on Skin Aging. Journal of Cell Communication and Signaling. 2018;12(1):35–43. doi:10.1007/s12079-018-0459-1. PMID: 29455303.
-
Kreouzi M., Theodorakis N., Constantinou C. Lessons Learned From Blue Zones, Lifestyle Medicine Pillars and Beyond: An Update on the Contributions of Behavior and Genetics to Wellbeing and Longevity. American Journal of Lifestyle Medicine. doi:10.1177/15598276221118494. PMID: 39507913.
-
Najafi P. et al. Redefining Age-Friendly Neighbourhoods: Translating the Promises of Blue Zones for Contemporary Urban Environments. International Journal of Environmental Research and Public Health. 2024;21(3):365. doi:10.3390/ijerph21030365. PMID: 38541364.
-
Buettner D. Lessons From the Blue Zones: There Is No Silver Bullet (or Magic Pill) for a Long, Healthy Life.American Journal of Lifestyle Medicine. doi:10.1177/15598276251334310. PMID: 40322661.
What if true luxury were aging slowly?
Biological age, Blue Zones, and skin longevity: when living better may be the most desirable way to live longer
We all know our age.
The age on our passport. The age represented by the candles we blow out each year. The age that advances with a regularity over which we have absolutely no control.
But is our body really the same age?
Our heart? Our arteries? Our muscles? Our metabolism?
And our skin?
This is one of the most fascinating ideas in the science of longevity: our chronological age advances at the same pace for everyone, but our biological trajectory is much more personal.
Two people born in the same year may reach the same birthday with bodies that have not experienced time in the same way.
The first retains their energy, strength, and ability to recover.
The other starts to feel earlier that their body is adapting less easily.
We cannot slow the calendar.
But perhaps we can influence, to some extent, how the years are inscribed in our bodies.
And suddenly, the quest for youth becomes much more interesting.
It is no longer just about looking young.
It is about staying fully alive for as long as possible.
Bryan Johnson: when refusing to age becomes a real-life experiment
If there is one face associated today with the contemporary obsession with longevity, it is probably Bryan Johnson's.
The American entrepreneur has turned his own body into a laboratory.
Sleep, diet, physical activity, body composition, performance, biomarkers: almost everything is measured, compared, and optimized.
In his official protocol, he readily admits to having taken this quest to the extreme and describes himself as one of the most biologically measured people in the world.
His ambition sometimes seems lifted from a science-fiction novel: understanding how far data, prevention, and available technologies can alter our aging trajectory.
Fascinating?
Absolutely.
Desirable?
That is another question.
Because behind the precisely timed schedules, biomarkers, and protocols lies a much more universal idea:
Our date of birth is immutable. The way we age may not be entirely fixed.
The science of longevity is increasingly focusing on healthspan rather than lifespan alone.
Lifespan is the number of years lived.
Healthspan asks a much more appealing question: how many of those years can we live in good health, with enough energy, independence, and ability to truly enjoy them?
Because deep down, who simply dreams of reaching 100?
Above all, we want to still want to live at 100.
But must we turn our lives into laboratories to live a long time?
Perhaps that is where the longevity revolution encounters its own contradiction.
By trying to optimize everything, do we risk forgetting what we set out to optimize in the first place?
Life itself.
Every hour of sleep.
Every meal.
Every workout.
Every biological variation.
Every year gained.
Measuring can help us understand.
But living is not just about achieving good numbers.
Engineer and entrepreneur Jean-Michel Karam, who has devoted part of his career to technology applied to skin diagnosis, advocates a different vision: soft longevity.
He says he follows the experiments being conducted in Silicon Valley with interest, particularly those of Bryan Johnson, while rejecting the idea of extending life at all costs. His ambition is different: to age well, stay fit and preserve his natural beauty.
A gentler kind of longevity.
More human.
More compatible with real life.
And above all, one question emerges:
and what if living a long time did not necessarily require living by a strict protocol?
What if longevity looked more like the good life?
That is probably what makes the Blue Zones so fascinating.
Sardinia. Okinawa. Ikaria. Nicoya.
These areas have been studied and popularized for their unusual concentration of people reaching an advanced age.
The subject nevertheless deserves some nuance. Demographic data on the Blue Zones have been subject to criticism and scientific debate regarding age validation, even though recent research supports the robustness of the methods used for some of these populations. A recent scientific review dedicated to the Blue Zones concept rightly highlights both their significance and the discussions surrounding their validation.
But beyond the records of centenarians, something else interests us.
The way of life.
Move naturally.
Eat simply.
Make plenty of room for plants.
Maintain strong social relationships.
Share meals.
Keep family and community at the heart of life.
Have reasons to get up in the morning.
Create moments to slow down.
Walk.
Laugh.
Reconnect.
Health does not necessarily look like a program we execute.
It resembles a life we enjoy living.
And this may be one of the most appealing ideas in all longevity research.
The habits that help us age better do not necessarily have to make our lives more austere.
They can also make it richer.
From soft longevity to hedonistic longevity
This is where a vision that fascinates us at Maison SAHÉO is born.
We call it:
hedonistic longevity.
Get enough sleep.
But still know those nights you never wanted to end.
Nourish your body intelligently.
But sometimes order dessert simply because it is extraordinary.
Preserve your muscles so you can still walk for hours through an unfamiliar city at 70.
Take care of your metabolism to preserve your energy.
Cultivate your relationships as much as your biomarkers.
Have plans.
Curiosity.
People we look forward to seeing again.
Reasons to look forward to tomorrow.
Protect your skin from the sun without being afraid to live outdoors.
Understand your body.
Use science.
Optimize what deserves to be optimized.
Then, sometimes, forget the numbers.
Hedonistic longevity does not reject optimization.
It simply puts it back in its place:
at the service of life, not the other way around.
For what would be the point of gaining ten years if, to achieve it, we gradually removed everything that makes us want to live them?
Perhaps the best longevity protocol is the one we sometimes forget is a protocol.
What if your skin did not know your date of birth?
This is where this reflection meets beauty.
Imagine two 45-year-olds.
The same year of birth.
The same number of candles.
Yet one still has dense, supple, radiant skin, capable of quickly regaining its balance.
For the other, short nights remain visible for longer.
The skin becomes increasingly dehydrated.
It recovers less quickly.
Its texture changes.
Its firmness decreases.
The calendar gives them the same age. Yet their skin tells two different stories.
Because our skin does not count birthdays.
It accumulates a history.
The sun.
Sleep.
Hormones.
Stress.
Pollution.
Diet.
Inflammation.
Lifestyle habits.
The care we have given it—and sometimes the excesses we have imposed on it.
For more than twenty years, skin analysis technologies have sought precisely to objectify part of this story. The career of Jean-Michel Karam notably illustrates this shift toward beauty increasingly guided by the measurement and diagnosis of skin parameters.
But scientific research is now going further.
It is beginning to ask a much more ambitious question:
How long can we preserve healthy skin?
Skinspan: what if youth were a capacity?
This idea now has a name.
Skinspan.
Inspired by healthspan, the term is no longer concerned solely with the skin's appearance at a specific moment, but with the period during which it retains its health, functions, and certain characteristics associated with younger-looking skin.
A scientific publication dedicated to skinspan proposes precisely this approach as a new framework for thinking about long-term skin health, while a review published in Mayo Clinic Proceedings connects this concept to contemporary mechanisms of the biology of aging.
And that changes almost everything.
Because youthful skin may not simply be skin without wrinkles.
It is skin that recovers.
A night that is too short, and it regains its radiance.
A change of season, and its barrier adapts.
An external aggressor, and it gradually regains its balance.
The years pass, but it preserves for as long as possible this silent capacity to respond, repair, and renew itself.
Youth would then be less an appearance than a capacity.
And it is precisely this capacity that skin longevity now seeks to understand better.
What time changes before we can even see it
Beneath skin that we simply find beautiful, an extraordinary biological choreography is constantly unfolding.
Cells communicate.
The barrier renews itself.
Fibroblasts maintain the matrix that structures the dermis.
Collagen is produced, organized, and remodeled.
The skin responds to its environment every day.
Over time, this choreography becomes less fluid.
The major publication Hallmarks of Aging: An Expanding Universe, published in Cell, now describes twelve major interconnected mechanisms of aging, including cellular senescence, mitochondrial dysfunction, chronic inflammation, epigenetic alterations, and the loss of certain maintenance and repair capacities.
Complex words to describe something we recognize very easily in the mirror:
the skin recovers more slowly than before.
A poor night's sleep leaves more traces.
A period of stress becomes visible.
Irritation takes longer to disappear.
Dehydration leaves a stronger mark.
Perhaps one of the first luxuries that time takes from us is therefore not immediately beauty.
It is the ability to bounce back.
Collagen is not simply a story about wrinkles
We talk a lot about collagen.
Often as if it were an invisible cushion that simply needed to be filled to restore younger-looking skin.
Reality is much more interesting.
In the dermis, collagen belongs to a sophisticated architecture called the extracellular matrix.
This matrix contributes to the skin's strength and resilience. It also constitutes the environment in which the fibroblasts that produce and maintain much of this structure operate.
With aging, collagen does not simply “decrease.”
Its architecture changes.
The fibers can gradually fragment, and the mechanical interactions between fibroblasts and their environment can change.
The research by Quan and Fisher on extracellular matrix aging shows how this fragmentation contributes to creating a dermal environment that is less favorable to maintaining the skin's structure and functions.
Other research on interactions between fibroblasts and the extracellular matrix even describes a self-perpetuating cycle: when collagen fragments, fibroblasts lose some of their mechanical tension, produce fewer matrix components, and more enzymes capable of degrading it.
In other words, perhaps we have been asking the wrong question for years.
Instead of asking only:
how can we produce more collagen?
We should also ask:
how can we preserve for as long as possible the environment that enables skin to function well?
This is where collagen truly meets the science of longevity.
Anti-aging sought to correct time. Skin longevity seeks to age better with it.
For decades, beauty primarily operated reactively.
A wrinkle appears: we try to smooth it.
A spot appears: we seek to reduce its appearance.
Firmness decreases: we seek to restore it.
We will probably continue to want all of this.
We will remain human.
We will always love radiant, dense, supple skin.
But a new question is beginning to emerge behind our skincare routines:
how can we preserve for as long as possible what is still working well?
The barrier.
The ability to recover.
The extracellular matrix.
Collagen.
Resilience.
The skin’s ability to adapt to the world around it.
Skin longevity does not promise to stop time.
Nor does it promise to make skin immortal.
It offers something much more interesting:
to care today for the mechanisms our skin will still need tomorrow.
Age slowly. Live intensely.
For centuries, humans sought youth in elixirs and miraculous fountains.
Today, we seek it in our cells.
We speak of biological age.
Healthspan.
Mitochondria.
Senescence.
Skinspan.
The words have changed.
But our desire has remained surprisingly simple.
We want energy.
A body that keeps up with us.
Muscles that respond.
A brain that remains curious.
Skin that retains its ability to recover.
We still want to be able to catch a plane on a whim.
Walk all day through an unfamiliar city.
Dine far too long.
Start a new project at 60.
Discover something we are passionate about at 70.
And to continue being intensely eager for tomorrow.
We do not want to stop time from passing.
We want to preserve for as long as possible what enables us to enjoy life.
Perhaps that, ultimately, is the most modern form of luxury.
Age slowly. Live intensely.
FAQ — Longevity, biological age, and skin longevity
What is biological age?
Chronological age simply corresponds to the number of years that have passed since birth. Biological age instead seeks to assess an organism’s state or aging trajectory based on various biological or functional markers. However, there is no single test capable of determining with certainty a “true” biological age.
What is skin longevity?
Skin longevity, or skin longevity, focuses on the long-term preservation of the skin’s health, functions, and resilience rather than solely correcting visible signs of aging.
What is skinspan?
Inspired by healthspan, skinspan refers to the period during which the skin retains its health, functions, and certain characteristics associated with younger-looking skin. This concept is now the subject of scientific publications on skin aging.
Do Blue Zones prove that a lifestyle can enable people to live to 100?
No. Blue Zones provide an interesting model for studying certain particularly long-lived populations, but their demographic data and interpretation have been debated. The habits frequently associated with them—physical activity, minimally processed food, social relationships, and a favorable environment—should be considered within the broader context of healthy aging research.
Can we really slow skin aging?
We cannot stop natural aging. However, certain factors that influence the skin's trajectory are modifiable. Photoprotection, not smoking, certain lifestyle habits, and an appropriate routine can all help preserve skin health and resilience over time.
What is the link between collagen and skin longevity?
Collagen is a major component of the dermal extracellular matrix. With age, not only its quantity but also its organization, fragmentation, and interactions with fibroblasts change. Skin longevity therefore calls for looking not only at collagen production, but at the entire biological environment that helps maintain functional, resilient skin.
Scientific references