The C + S in CSA


The key to using Crystal Retinal in the summer is teaming it with vitamin C + sunscreen. Why? Retinal can increase sensitivity to UV rays, so it's important to protect your skin barrier during the day.
8 Products
Crystal Retinal 1

Crystal Retinal 1

0.01% Retinal serum for very sensitive skins - 11x faster than retinol

Sensitive / €56
Crystal Retinal 3

Crystal Retinal 3

0.03% Retinal serum for vitamin A beginners - 11x faster than retinol

Beginner / €65
Crystal Retinal 6

Crystal Retinal 6

0.06% Retinal serum for regular vitamin A users - 11x faster than retinol

Regular / €86
Crystal Retinal 10

Crystal Retinal 10

0.1% Retinal serum for advanced vitamin A users - 11x faster than retinol

Advanced / €110
Crystal Retinal 20

Crystal Retinal 20

0.2% Retinal serum for highly experienced vitamin A users - 11x faster than retinol

Experienced / €125
Crystal Retinal 24

Crystal Retinal 24

Award-winning Age-Defying Vitamin A Night Serum

Expert / €135
C-Tetra®

C-Tetra®

Lipid vitamin C serum - Visibly brightens skin tone and minimises the signs of ageing

30ml / €54
Daily Radiance Vitamin C™

Daily Radiance Vitamin C™

Vitamin C and SPF 30 2-in-1 moisturiser - Brightens complexion and protects against sun damage

50ml / €80
C-Tetra® Luxe

C-Tetra® Luxe

Enhanced vitamin C radiance serum - Visible anti-ageing and brightening results

30ml / €82
Super C Ferulic™ by Medik8. A Potent Vitamin C Brightening Serum.-5

Super C Ferulic™

Potent 30% Vitamin C Brightening Serum

30ml / €85
C-Tetra® Cream

C-Tetra® Cream

Lipid vitamin C cream - Hydrates and restores radiance, with powerful antioxidant protection

50ml / €64
C-Tetra® Eye-7

C-Tetra® Eye

Lipid Vitamin C Radiance Serum

7ml / €32
Pure C15™-8

Pure C15™

Vitamin C Serum with Ascorbic Acid

2 x 15ml / €64