Barrier Boost Ectoin age defence barrier repair serum

The survival molecule for your skin.

What if one of the most exciting ingredients for ageing skin wasn't originally discovered in a beauty lab, but in microorganisms thriving in some of the harshest environments on Earth?

Meet Ectoin.

In extreme environments where heat, dryness, UV exposure and high salinity threaten survival, certain microorganisms produce Ectoin, a remarkable protective molecule that helps stabilise and protect their cells from environmental stress.

Now Longevity Labs has put that extraordinary survival science at the heart of Barrier Boost, our advanced Ectoin-rich Age Defence Serum.

Because your skin faces stress every day too.

UV exposure, pollution, dry air, temperature changes and other environmental aggressors can place continual stress on the skin barrier, contributing to dehydration, dullness and the visible signs of premature ageing.

Barrier Boost helps your skin fight back.

Ectoin helps protect against environmental stress, support hydration and strengthen the skin barrier, helping skin remain calmer, stronger, plumper and more resilient-looking.

And then we've surrounded Ectoin with an extraordinary supporting cast.

Niacinamide, Dual Vitamin C, peptides, Kakadu Plum, Centella, Marine Collagen and Bearberry help target brightness, hydration, uneven-looking tone and visible signs of ageing at the same time.

Think of it as survival science turned into skincare.

WHY YOU'LL LOVE IT

DEFENDS
Ectoin helps protect skin against environmental stress and the factors that can contribute to visible premature ageing.

FORTIFIES
Ectoin + Niacinamide help support and strengthen the skin barrier, improving its ability to retain precious moisture.

HYDRATES
Ectoin helps support skin hydration for a plumper, smoother and more comfortable complexion.

BRIGHTENS
Dual Vitamin C, Bearberry, Kakadu Plum and Stellight™ Peptide Technology help improve the appearance of dullness and uneven skin tone.

SMOOTHS
Marine Collagen and advanced peptides help support smoother, plumper, more youthful-looking skin.

CALMS
Centella Asiatica helps soothe and support stressed-looking skin for a healthier, more balanced appearance.

THE STAR: ECTOIN

Born from extreme survival. Built for skin resilience.

Ectoin is a naturally occurring molecule produced by certain microorganisms to help them survive environmental extremes.

In skincare, Ectoin acts as a powerful stress-protection and hydration-supporting molecule, helping defend against environmental aggressors while supporting the skin barrier and reducing moisture loss.

For ageing skin, that matters.

A healthy skin barrier doesn't just feel better. It helps skin retain hydration and maintain the smoother, plumper, more resilient appearance we associate with youthful-looking skin.

Protect the barrier. Preserve the bounce.

THE SUPPORTING POWER PLAYERS

STELLIGHT™ PEPTIDE TECHNOLOGY
An advanced peptide brightening complex designed to promote luminosity and support a brighter, more uniform-looking complexion.

DUAL VITAMIN C COMPLEX
Stable Sodium Ascorbyl Phosphate + Magnesium Ascorbyl Phosphate provide antioxidant support while helping brighten dull, uneven-looking skin.

NIACINAMIDE
Helps strengthen the skin barrier, support hydration and resilience and improve the appearance of uneven skin tone.

BEARBERRY EXTRACT
A natural source of arbutin that helps support a brighter, more even-looking complexion.

AUSTRALIAN KAKADU PLUM
Naturally rich in Vitamin C and antioxidants to support brightness and help defend against environmental stress.

MARINE COLLAGEN
Hydrolysed collagen helps condition the skin for a smoother, plumper and more youthful-looking appearance.

CENTELLA ASIATICA
A much-loved soothing botanical that helps stressed skin appear calmer, healthier and more balanced.

PERFECT FOR

Dry, dehydrated or stressed skin, weakened-looking skin barriers, dullness, uneven tone, loss of bounce and anyone concerned about environmental stress and the visible signs of premature ageing.

Yes, we ship worldwide and strive to keep shipping costs as low as possible—often free for our customers! Shipping to the UK typically takes 6–10 business days once processed. For the USA, the average shipping time is 6–12 business days. Shipping times for other locations will be displayed at checkout. Rest assured, your glowing skin products are worth the wait!