Although topical retinoids, like tretinoin gel or cream, have not been extensively ... Your prescription's strength can range from 0.025 percent (much more tolerable) to 0.1 percent (the strongest ...

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 ...