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CAS NUMBER |
Mixture |
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INCI NAME |
Lactic acid |
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DEFINITION |
Lactic acid is a naturally occurring alpha hydroxy acids (or AHAs) produced by fermentation of milk. It is the alpha hydroxy acid most frequently used for peel products. Synonym: 2-Hydroxypropanoic acid. Clear, water-white viscous liquid. Characteristic odor. Concentration: 88% (12% water). Grade: CG. pH Value 0.5. Easily soluble in water. |
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USAGE |
It can be used level is between 1-20%. Important: Do not use lactic acid pure and undiluted; the solution is highly acidic and can lead to skin irritation and skin burns. Storage: stable ~1 year, store cool & light protected. External use only. Please note that when using this ingredient regularly in skin care products, the skin will be very sensitive and needs to be protected from the sun, wearing sunscreen or any other protection. |
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APPLICATIONS |
Peels, creams, lotions, masks, cleansers. Due to it's acidity the final product needs to be tested for safe pH. Optimal pH range from 3.5-5.0. Some over the counter products, after adding lactic acid, will separate as a result of the low pH, and need to be stabilized. |
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