Q. Can this serum be used on sensitive skin?
Ans. Yes, the 0.2% Retinol is gentle, but start slowly and patch test if needed.

Q. How often should I use this serum?
Ans. Begin 2–3 times a week at night, then increase as tolerated.

Q. Can it help with fine lines?
Ans. Yes, Retinol promotes cell turnover, helping reduce fine lines and improve texture.

Q. Can it be used with Vitamin C?
Ans. Use Vitamin C in the morning and Retinol serum at night to avoid irritation.