Introduction
Yeast extract contain plenty of protein, amino acid, peptide and nucleic acid, which is extracted from yeast cell using enzyme. In cosmetics, yeast extract can be used as skin nutrition resource.
Yeast extract contain 30% amino acid, 10% nucleic acid and 30% peptide, which is the main ingredient of the NMF(natural moisture factors). The amino acid and the nucleic acid can be easily absorbed by skin and nourish the skin cells. Consequently, yeast extract can promote collagen synthesis, act as an anti-inflammatory, and soothe, moisturize and revitalize the skin. It can be used in a variety of cosmetic products, including under-eye creams and facial lotions.
CAS: 8013-01-2
INCI: Yeast extract, water

Characteristics
Apperance Off-white solution
Content,% ≥5.0%
pH(1% solution) 4.0-6.0
peptide,% ≥60
Nucleic acid,% ≥15
Total plate count, cfu/mL ≤100
Soluble in water
Contain 15% nucleic acid and 30% peptide
Contain yeast derived vitamins and polysaccharides

Functions
1. Nourish the skin cells: The amino acid and the nucleic acid can be easily absorbed by skin and nourish the skin cells
2. Moisturize and recitalize the skin
3. Anti-aging: the peptide can effectively remove the free radical, such as the -OH, O2-
4. Restain the tyrosinase effectively, whitening