skintific serum

first time using skintific niacinamide serum and bought for sample size. fluoxetine 20 mg obat apa it'se give brightening effect and help me to reduce dark spot and smootsh and evens skin tone, i used to try another skintific serum product like the 4D and the popular ceramide 5x but this one i like tje most Usage Period : 1 month - 3 months