Can use for All Kinds of Hydra Facial Machine 1 box have 12 bottles serum, each bottle 5ml, Total: 12*5ml = 60ml Dilute with about 40 times of purified water to use, after mixed, one box have: 60ml*40 = 2400 ml!!! (For example: 1 bottle 5 ml, then mix it with 5 ml*40 = 200 ml pure water.) 1 box have 12 bottles serum, each bottle 5ml, Smaller bottle, easy to stock, no waste. Serum A: 5ml*3 bottles Serum B: 5ml*3 bottles Serum C: 5ml*3 bottles Serum D: 5ml*3 bottles Features 1. DEEP CLEANSING SERUM (Bottle A); Ingredients: water, lactic acid, glycerin, propylene glycol, polyacrylic acid, bis(hydromethyl)imidazolidinyl urea, iodopropynyl butyl urethane. 2. VITALITY OXYGEN ESSENCE(Bottle B) Ingredients: water, glycerin, propylene glycol, lactic acid, polyacrylic acid, bis(hydromethyl)imidazolidinyl urea, iodopropynyl butyl carbamate, glycerol phosphate choline. 3. CLEANING SOLUTION(Bottle C) ; Ingredients: water, propylene glycol, bis(hydromethyl)imidazolidinyl urea, iodopropynyl butyl urethane, citric acid, xanthan gum. 4.Small bubble peptide essence(Bottle D) Ingredients: water, methyl hydroxyethyl cellulose, panthenol, sodium hyaluronate, nicotinamide, propylene glycol, PORTULACA OLERACEA extract, collagen extract, octanoyl hydroxamic acid Specification How to use: Dilute with about 40 times of purified water. Applicable skin type: Suitable for all skin types, especially suitable for uneven skin tone and rough dull skin. Note: Keep away from direct sun, please keep it out of reach of children. Shelf life: three years