Tretinoin

Tretinoin cream or gel is used for acne, photodamage, and hyperpigmentation. It works by promoting cell turnover, improving skin texture and tone.

• The description claims that the effect begins within 4-12 weeks, with maximum improvement at 12 weeks for acne.
• The description mentions that the duration of action is typically 4-5 hours.
• The description claims that common side effects include redness and dryness.