One drop in the morning and evening is all you need!Infuse bright energy into the skin with pure vitamin C & Galactomyces.[SOME BY MI] Galactomyces SerumSKU: PCCS-SBM-1$200.00PriceShipping & Payment InfoSize*SelectQuantity*2-3 Business WeeksPre-OrderPRODUCT INFO- 75% Galactomyes Whitening and anti-wrinkle dual functionSUGGESTED USE1. Drop serum on the skin and spread with fingertips along the texture line. 2. Apply Vitamin Serum 3 times if you want to create layers of moisture and vitality coating on the skin.