Medik8 Products › Crystal Retinal Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Crystal Retinal from $89.00 Discover youthful skin with this award-winning, ground-breaking serum, proven to deliver results up to 11x faster than retinol[1].Achieve incredible age-defying results with just one tube: think visibly brighter, firmer and smoother-looking skin. KEY BENEFITSFast Wrinkle Reducing PowerSee clinically proven wrinkle reduction with just 1 tube**Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.Professional-Grade ResultsRetinaldehyde is proven to work up to 11 times faster than classic retinol* - so you can see results sooner*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378Radiant, Youthful SkinDelivers remarkable visible improvement in texture, brightness, firmness & clarityEffective Results Until the Last DropThanks to Medik8's patented stability complexCustomise Your Routine With 5 Progressive StrengthsA retinal strength for beginners to expert users - even sensitive skinPROVEN RESULTS97%felt their skin had a more youthful appearance*20%reduction in the appearance of wrinkles*20%reduction in visible hyperpigmentation*11%increase in skin firmness*100%felt Crystal Retinal was gentle on their skin**Proven via independent clinical study on 1 tube of Crystal Retinal 6. Tested on 33 participants over 12 weeks.AVAILABLE STRENGTHSOnly at Medik8, you can ladder up your visible age-defying results over time with Crystal Retinal's 5 progressive strengths. Offering 0.01% - 0.2% retinaldehyde, there’s a strength for everyone; from very sensitive skins to expert users. GOOD TO KNOW["CLINICALLY-PROVEN FORMULA""DERMATOLOGIST RECOMMENDED""NO ARTIFICIAL FRAGRANCE""NO SYNTHETIC COLOURS""PARABEN FREE""ALCOHOL FREE"CERTIFIED BY THE VEGAN SOCIETY" Strenght: CRYSTAL RETINAL 1 - 30ml CRYSTAL RETINAL 3 - 30ml CRYSTAL RETINAL 6 - 30ml CRYSTAL RETINAL 10 - 30ml CRYSTAL RETINAL 20 - 30ml Add To Cart Added! Discover youthful skin with this award-winning, ground-breaking serum, proven to deliver results up to 11x faster than retinol[1].Achieve incredible age-defying results with just one tube: think visibly brighter, firmer and smoother-looking skin. KEY BENEFITSFast Wrinkle Reducing PowerSee clinically proven wrinkle reduction with just 1 tube**Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.Professional-Grade ResultsRetinaldehyde is proven to work up to 11 times faster than classic retinol* - so you can see results sooner*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378Radiant, Youthful SkinDelivers remarkable visible improvement in texture, brightness, firmness & clarityEffective Results Until the Last DropThanks to Medik8's patented stability complexCustomise Your Routine With 5 Progressive StrengthsA retinal strength for beginners to expert users - even sensitive skinPROVEN RESULTS97%felt their skin had a more youthful appearance*20%reduction in the appearance of wrinkles*20%reduction in visible hyperpigmentation*11%increase in skin firmness*100%felt Crystal Retinal was gentle on their skin**Proven via independent clinical study on 1 tube of Crystal Retinal 6. Tested on 33 participants over 12 weeks.AVAILABLE STRENGTHSOnly at Medik8, you can ladder up your visible age-defying results over time with Crystal Retinal's 5 progressive strengths. Offering 0.01% - 0.2% retinaldehyde, there’s a strength for everyone; from very sensitive skins to expert users. GOOD TO KNOW["CLINICALLY-PROVEN FORMULA""DERMATOLOGIST RECOMMENDED""NO ARTIFICIAL FRAGRANCE""NO SYNTHETIC COLOURS""PARABEN FREE""ALCOHOL FREE"CERTIFIED BY THE VEGAN SOCIETY"