Q. Can this serum be used on sensitive skin?
Ans. Yes, but patch test first and introduce gradually to minimize irritation.

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

Q. How long until I see results?
Ans. Improvement in dark spots and pigmentation may appear in 4–8 weeks with consistent use.

Q. Can it be combined with other brightening products?
Ans. Yes, but avoid other strong actives on the same night to prevent irritation.