Lactic acid Typical Properties
CONTENT | SPECIFICATIONS |
Appearance | Colorless to yellowish liquid |
Assay | 88.0% Min |
Fresh color | 50apha Max |
Stereo chemical purity | 95% Min |
Density | 1.20 – 1.22 g/cm3 at 20 °C |
Chloride | 10ppm Max |
Cyanide | 1 ppm Max |
Iron | 10 ppm Max |
Heavy Metals | 10 ppm Max |
Arsenic | 1 ppm Max |
Lead | 0.5 ppm Max |
Sulfate | 10 ppm Max |
Sulfate ash | 0.05% Max |
Mercury | 1 ppm Max |
Citrate, Oxalate, Phosphate, or Tartrate | Passes FCC test |
Reducing sugars | Passes FCC test |
Lactic acid Usage
1) Since lactic acid is part of the skin's inherent natural moisturizing factor, it is widely used as a moisturizer for many skin care products. lactic acid is the most effective type of AHA and has little irritation;
2) Since lactic acid is naturally present in the hair, the effect is to make the surface of the hair shiny and bright, so lactic acid is often used as a pH regulator for various hair care products;
3) Lactic acid can be used as a moisturizer in various toiletries, such as body lotion, strip soap and moisturizer. It can be used as a pH regulator in liquid soaps, soaps and shampoos. In addition, the addition of lactic acid in the bar soap reduces the loss of moisture during storage and thus prevents the soap from cracking.
