B-SILK™

sr-spider polypeptide-1 oligopeptide-178. B-SILK™ by Bolt Threads is an unprecedented bioengineered, high molecular weight, non-hydrolyzed vegan silk protein. It mimics the amino acid structure of natural spider silk, one of the toughest materials on earth, because it has both tensile strength and elasticity. It contains the ideal proportion of strong and flexible peptide segments from the spider that naturally crosslink into a hydrophilic powder with powerful benefits and silicone elastomeric properties.

• A biodegradable film former to enhance skin barrier health.
• It is microbiome friendly and offers long-lasting wear, a soft dry down, pollution defense and antioxidation properties.
• It shows improvement in skin firmness and elasticity, reduction in the appearance of fine lines and wrinkles, and improved overall healthy appearance.
• It can easily and cost-effectively formulate ultra soft, silky and smooth products that are vegan and microplastic-free, with neutral odor and color.
• It is stable, bio-based, cruelty-free, biocompatible and meets all safety and regulatory requirements, including the EU & China.
• B-SILK™ is recommended for use in cleansers, skin care, SPF and color cosmetics.
• It is produced through fermentation and white biotechnology.