The proportion of betaine in the facial mask is 0.5-5. Betaine has unique moisturizing and protective cell membrane properties. It also has the effect of improving the skin and hair's ability to retain moisture, and can also increase active ingredients. Solubility in water.

Reduces the irritation of surfactants to the skin and gives the skin and hair a moist and smooth feeling. It is often used in cleansing and care products, and the dosage is generally 0.5-5.