Q1. What is it used for?
A: Melasma and other stubborn hyperpigmentation.
A: Typically no more than 6–8 weeks; follow your doctor’s plan.
Q3. Side effects?
A: May cause redness, burning, itching, peeling, dryness; discontinue if severe or allergic.
Q4. Can pregnant or nursing women use it?
A: Not recommended unless explicitly prescribed; tretinoin is a Category C drug.
Q5. Interaction warnings?
A: Avoid other irritants, retinoids, or astringents. Use sunscreen daily.
A: Not approved for those under 12 years.