ZO Skin Health Retinol Skin Brightener .25%ZO Retinol 0. 25 Begin your retinol journey gently with Retinol 0. 25a mild strength formula that smooths texture and minimizes fine lines with minimal irritation. Whats Inside: 0. 25% Retinol and skin soothing ingredients Key Benefits: Reduces signs of early aging Improves skin texture and tone Minimal dryness or peeling Perfect for retinol beginners or sensitive skin Step into retinol with confidence and care.