Obagi Retinol 1.0Obagi Retinol 1. 0 is a powerful yet non irritating retinol treatment that helps to improve skin clarity, smoothness, and tone. Ideal for those experienced with retinol, this 1. 0% strength supports cellular turnover to reduce the appearance of fine lines, wrinkles, and blemishes. The advanced delivery system ensures slow release to minimise irritation, while hydrating ingredients such as shea butter and jojoba help maintain skin balance. Suitable for