Tretinoin 0.025%, 0.05%, 0.1%. Not for use in eczema or sunburned skin. Avoid eyes, mouth, angles of nose, mucous membranes, sun, UV light. Discontinue if sensitivity reactions occur. Increased ...

Thankfully, retinoids like tretinoin can put acne in its rightful ... I usually start at a lower percentage (e.g., 0.025%); if the patient tolerates it, I may increase it months later,” says ...