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.
6 Products

Crystal Retinal 1

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

Sensitive / €56.00

Crystal Retinal 3

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

Beginner / €65.00

Crystal Retinal 6

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

Regular / €86.00

Crystal Retinal 10

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

Advanced / €110.00

Crystal Retinal 20

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

Experienced / €125.00

Crystal Retinal 24

Award-winning Age-Defying Vitamin A Night Serum

Expert / €135.00

C-Tetra®

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

30ml / €56.00

C-Tetra® Luxe

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

30ml / €82.00

Super C Ferulic™

Potent 30% Vitamin C Brightening Serum

30ml / €85.00

C-Tetra® Cream

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

50ml / €64.00

C-Tetra® Eye

Lipid Vitamin C Radiance Serum

7ml / €32.00