Details:-Contains more than 20 ml essenceWeak acid essence with ceramide and NMP moisturizer to protect skin by fighting against environmental attack.Rich moisturizing essence hydrate your skin.Mild formula will not cause allergyCeramide could be found in the horny layer inside skin. Together with NMP moisturizer, ceramide responsible for moisturizing and protecting skin from irritants. If there is a lack of ceramide and NMP, the protective barrier would weaken and damaged and cause other skin problem. So, to keep the skin healthy, we must refill these essential material in an effective way.How to use:-Apply after cleansing, no need to rinseApply 5-15minsOne to two times per week, apply daily for best result.Should not be used over wounds, sensitive or sun-burned skin. Stop application if allergy occur and rush with water. Each piece should only be used for one time. External use.