Silk protein also called silk fibroin. It is a natural polymer fibrin extracted from natural silk by hydrolysis and filtration. The protein content accounts for about 70%-80% of silk and 18 types of amino acid. At the same time, glycine, alanine and serine account for more than 80% of the total composition.
The functions of Silk protein:
Unresistant - the content of tryptophan and tyrosine can absorb ultraviolet light.
Whitening raise colour – the protein has inhibitory effect on melanin. Meanwhile, the protein rich in a variety of amino acid small molecule protein, can provide skin whitening nutrients.
Moisturizing – keep your skin hydrated.
Anti-Aging - silk protein can activate skin cells and improve blood circulation.
Silk protein has been wildly used in cosmetics, facial mask and shampoo.