A daytime-to-night corrective serum from Medik8, Crystal Retinal 1 delivers a smooth, lightweight gel-cream texture aimed at improving tone and fine lines. Fragrance-free and suitable for retinol-tolerant skin, it suits users seeking gradual retinal benefits with low irritation potential. Useful for those building a retinoid routine or combining with peptides.
Ingredient Safety
No risk6
Low risk84
Moderate risk3