RS Retinol 2.5 Serum

Cos De BAHA RS Retinol 2.5 Serum is a concentrated retinol serum formulated to target fine lines, uneven texture and visible signs of aging. It absorbs to a lightweight, non-greasy finish and suits evening use for tolerant or adaptive skin routines. Fragrance-free and designed for layered skincare, it's aimed at those seeking potent retinoid benefits without heavy oils.