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Skin Health Practice
Skin Health Practice blog
·By Su Rixon, Aesthetic Clinician

Collagen vs Elastin: What They Do and Why We Use Both

Collagen vs Elastin: What They Do and Why We Use Both

You've almost certainly heard of collagen — it's one of the most talked-about ingredients in skincare. But elastin is less well known, and yet equally essential for maintaining firm, youthful, resilient skin.

At Skin Health Practice, our Tightening Solution contains both. Here's why both matter — and why using them together produces better results than either alone.

What Is Collagen?

Collagen is the most abundant protein in the human body. In the skin, it forms a dense, interwoven network of fibres in the dermis that provides:

- **Structural support** — giving the skin its form and firmness - **Tensile strength** — the ability to resist stretching and maintain shape - **Plumpness** — the full, smooth appearance of youthful skin

There are over 28 types of collagen, but Type I and Type III are most relevant to the skin. Together they form the scaffolding that keeps skin looking lifted and defined.

### How Collagen Declines With Age From our mid-20s, the body produces approximately 1% less collagen per year. By the time we reach our 40s, this cumulative decline becomes clearly visible — in the form of fine lines, sagging, and a loss of the plumpness and definition that characterised younger skin.

UV exposure, smoking, high sugar intake, and chronic stress all accelerate this decline.

What Is Elastin?

Elastin is a protein that gives skin its **elasticity** — the ability to stretch and then return to its original shape. Think of it like a rubber band embedded in the dermis alongside collagen fibres.

Healthy elastin is what allows skin to: - Bounce back after being stretched or compressed - Maintain tone and firmness after facial movements - Resist the formation of fine lines caused by repetitive expressions

### How Elastin Declines With Age Unlike collagen, which continues to be produced (at a declining rate) throughout life, elastin production effectively stops after puberty. The elastin in adult skin is what was produced during childhood and adolescence.

As this existing elastin degrades over time — through UV damage, oxidative stress, and natural ageing — skin becomes progressively less able to bounce back. The result: sagging, wrinkling, and a loss of the firmness and resilience of younger skin.

Collagen vs Elastin: Key Differences

| | Collagen | Elastin | |---|---|---| | **Primary function** | Structure and firmness | Elasticity and bounce | | **Production** | Continues throughout life (declining) | Stops after puberty | | **Decline cause** | Age, UV, lifestyle factors | Age, UV, oxidative stress | | **Visible effect of loss** | Sagging, wrinkles, loss of volume | Loss of bounce, deeper wrinkles |

Why We Use Both in Our Tightening Solution

Our Tightening Solution delivers both collagen and elastin directly into the skin via advanced microneedling — alongside Exosomes, PDRN, and DMAE.

This combination addresses the two primary structural causes of skin laxity simultaneously:

- **Collagen** replenishes the structural scaffolding lost to age and environmental damage - **Elastin** restores the skin's ability to spring back and maintain firmness

When delivered through microneedling, these proteins bypass the skin's surface barrier and reach the dermis — where they're needed most. Topical products containing collagen and elastin are largely unable to penetrate this deeply.

What Results Can You Expect?

After a course of Tightening Solution treatments, patients typically notice:

- Firmer, more lifted skin across the face and neck - Improved skin tone and definition - Reduction in the appearance of fine lines - Skin that feels more resilient and bouncy to the touch

Results build progressively over 3–6 sessions and continue to improve for several weeks after the final treatment.

Book a free consultation at Skin Health Practice to find out if the Tightening Solution is right for your skin goals. Call **020 3886 1313** or visit us at 65-73 Staines Road, Hounslow.

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Book a consultation today and let us help you achieve your skin goals.