The Power of Crystal Retinal

Clinically proven to provide incredible age-defying results. Think visibly brighter, firmer and smoother-looking skin in just one tube.

Go From Before To After. 11 Times Faster*

Experience the revolutionary power of Crystal Retinal, Medik8's groundbreaking retinal serum that works so fast it leaves retinol behind. Winner of 12 Global beauty awards, the cashmere-textured serum is proven to visibly resurface and brighten skin, to achieve a youthful-looking complexion.

Patented Stability System

Unlike others, Crystal Retinal is encapsulated in a patented crystal structure and housed in an innovative airless tube - for enhanced stability until the very last drop.

*Biochem J., 1990, 268, pp 371-378


Always Peak. Never Plateau

When your skin needs more, Crystal Retinal does more. With 5 progressive strengths, Crystal Retinal has an option for every level of vitamin A user, to steadily power up your results. SHOP NOW

Real, Visible Results

*Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks

Choose Your Strength

Quite simply the most important ingredient in anti-ageing skincare, vitamin A is the anchor of our CSA Philosophy - vitamin C plus sunscreen by day, and vitamin A in the evening. 

We recommend starting low and going slow, phasing Crystal Retinal into your routine.

30% Off Black Friday

Crystal Retinal 1™

For very sensitive skin (0.01% Encapsulated Retinaldehyde)

The entry level retinal serum for those who have sensitive skin or seek a low strength but highly effective vitamin A serum in their routine.

£45 £31.50

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Crystal Retinal 3™

For those totally new to vitamin A (0.03% Encapsulated Retinaldehyde)

For those seeking impressive anti-ageing results. New to retinaldehyde, but maybe tried mild retinol formulas before. Most people start here.

£49 £34.30

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Crystal Retinal 6™

For those moving up from CR3 or experienced users of vitamin A (0.06% Encapsulated Retinaldehyde)

Perfect for those who are looking to upgrade their high-strength retinol or Crystal Retinal 3 results.

£66 £46.20

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Crystal Retinal 10™

For advanced vitamin A users stepping up from CR6 (0.1% Encapsulated Retinaldehyde)

An ultra-performance anti-ageing serum for those looking to boost the results of Crystal Retinal 6.

£89 £62.30

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Crystal Retinal 20™

For advanced vitamin A users stepping up from CR10 (0.2% Encapsulated Retinaldehyde)

You should be comfortably using Crystal Retinal 10 every night for 3 months or completed 2 full tubes before you consider moving up.

£99 £69.30

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