Medik8's Crystal Retinal 1 Serum with Liquid Peptides blends a lightweight, fast-absorbing texture suited to evening routines. Targeting signs of aging and uneven tone, it's aimed at users adapting to retinal-strength retinoids who want gradual results. Often fragrance-free and designed for layering under moisturizers, the serum pairs retinal activity with peptide support to improve texture and resilience without a heavy finish.
Ingredient Safety
No risk6
Low risk84
Moderate risk3