Retinaldehyde (Retinal)
[1] G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378


0.2% Retinal serum for highly experienced vitamin A users - 11x faster than retinol
30ml / $120


Crystal Retinal Ceramide Eye 3
0.03% Retinal all-in-one ceramide night cream for vitamin A beginners - 11x faster than retinol
15ml / $53


Crystal Retinal Ceramide Eye 6
0.06% Retinal all-in-one ceramide night cream for vitamin A beginners - 11x faster than retinol
15ml / $66


Crystal Retinal Ceramide Eye 10
0.1% Retinal all-in-one ceramide night cream for vitamin A beginners - 11x faster than retinol
15ml / $84


Upgrade your anti-ageing results with next-generation vitamin A.
Contains 4 products / $157


The CSA Kit Retinal Edition for Men
Upgrade your anti-ageing results with next-generation vitamin A.
Contains 4 products / $157