Sr-Spider Polypeptide-2
Used in cosmetic products as hair conditioning, nail conditioning and skin protecting. sr-Spider Polypeptide-2 is a single chain recombinant spider protein, produced by fermentation in E. coli. The starting gene is a synthetically derived copy of the gene from Araneus diadematus which codes for Fibroin-3. The protein contains a maximum of 636 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
Frequently asked questions
What is Sr-Spider Polypeptide-2 used for in cosmetics?
Sr-Spider Polypeptide-2 is used in cosmetic products as hair conditioning, nail conditioning and skin protecting. sr-Spider Polypeptide-2 is a single chain recombinant spider protein, produced by fermentation in E. coli. The starting gene is a synthetically derived copy of the gene from Araneus diadematus which codes for Fibroin-3. The protein contains a maximum of 636 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
Is Sr-Spider Polypeptide-2 restricted in cosmetics in the EU?
No EU restriction annex is recorded for Sr-Spider Polypeptide-2 in our records. Rules change and differ by market, so always check the current regulation before you formulate.