A concentrated retinol essence from Dr.Hsieh, Lab. Smart Classic Retinol 1.5% Essence delivers renewing action in a lightweight, fast-absorbing texture. Designed for experienced retinol users seeking skin renewal, it balances efficacy with tolerability. Fragrance-free and formulated for layered routines, the essence targets texture and tone while remaining suitable for evening use.
Ingredient Safety
No risk2
Low risk9
Moderate risk1