Ten drops of water belongs to the Chinese medicine, use it to wash the face may cause skin irritation, leading to certain harm, such as eye damage, skin dependence, thinning of the stratum corneum and so on. 1. eye damage: ten drops of water contains chili pepper ingredients, if accidentally touched inside the eyes, it will cause eye damage, usually use to avoid entering the eyes. 2. skin dependence: long-term use of 10 drops of water to wash the face will lead to skin dependence, stop using the skin will appear very dry, and is likely to cause skin redness. 3. cuticle thinning: the use of 10 drops of water to wash the face will lead to skin dependence. 3. Keratin layer thinning: using 10 drops of water to wash your face will cause the keratin layer to thin and redness to appear on your face, thus forming sensitive skin. To summarize, it is not recommended to use 10-drop water to wash your face regularly, and you should consult your doctor if you experience any other discomfort during the use of the product.