Definition：
      Silk amino acid (SAAs) also known as silk fibroin ,is a natural water-soluble amino acid powder with glycine, alanine and serine content of more than 85% ,it is extracted from raw silk and produced through series process of silk degumming, enzymolysis , acidolysis and dried. The average molecular weight is about 90 ,also named as silk fibroin-90.

products specification:

s ested dosage:

 hair care :0.25-0.5%  skin care:0.5-2%

shelf life:2years

keep it in a ventilated and dry place

away from Children