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Discover our simple CSA Philosophy: Vitamin C and Sunscreen by Day, Vitamin A (Retinal) by night for younger looking skin in just 6 weeks.*

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The Power Of Crystal Retinal

11 Times Faster Than Retinol*

Discover youthful skin with our award-winning, groundbreaking retinaldehyde serum that reinvented vitamin A skincare.Crystal Retinal is clinically proven to provide incredible age-defying results, up to 11x faster than standard retinol.*

12 weeks using Crystal Retinal 6
A tube of Medik8 Crystal Retinal® serum is displayed on a white background, featuring a silver award badge and recognized as the UK's No.1 anti-aging serum.-

Crystal Retinal®

Award-winning Age-Defying Vitamin A Night Serum

€56

Medik8 Global Ambassador

Dr. Ewoma Ukeleghe

Medical & Cosmetics Doctor

For nearly a decade, I have wholeheartedly championed Medik8, a brand that skillfully combines medical-grade efficacy with cutting-edge skincare innovation.

Our Unique Retinal Ladder

Always peak, never plateau with our retinaldehyde ladder of progressive strengths, for ongoing visible results. Take our strength-finder quiz to find out which strength of Crystal Retinal and Crystal Retinal Ceramide Eye is right for you.

FIND YOUR STRENGTH

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