Cậu can definitely still choose to use niacinamide and ascorbic acid separately. cậu could use ascorbic acid during the great Day and niacinamide in the great value evenings. If đấy choose to use cả together, I don 't think evidence points to the Great any disabling của their benefits hoặc any skin damage.
đang được dịch, vui lòng đợi..