Optiphi Active Intense Retinol Serum 30mlDescription How to Use Ingredients A concentrated nighttime serum formulated with Vitamin A and targeted support ingredients, designed for experienced skincare users. This serum is part of the optiphi Active Range and is suited for inclusion in a focused skincare routine. The formulation includes plant oils, peptides, and antioxidants in a lightweight texture. Benefits: Features Vitamin A (Retinol) in a format suitable for gradual introduction.