Add nicotinamide beauty liquid essence in hand cream, gel whitening texture, prevent melanin precipitation. It can be quickly absorbed into film without drying. And you can smell a faint scent of flowers. Nicotinamide can reduce skin pigmentation, and play a role in the process of melanin precipitation to prevent melanin from precipitating from melanocytes to keratinocytes. Studies have shown that nicotinamide can effectively reduce melanin precipitation, promote spot color desalination and improve skin condition.