Q. Can this serum be used on sensitive skin?
Ans. Yes, but start gradually and patch test due to high retinol concentration.

Q. Can it be used during the day?
Ans. No, use in the evening only. Apply sunscreen during the day.

Q. How soon will I see results?
Ans. Noticeable improvement in fine lines, wrinkles, and texture may appear in 4–6 weeks.

Q. Can it be combined with other active ingredients?
Ans. Yes, but avoid using other strong actives (like AHAs/BHAs) on the same night to minimize irritation.