Bolt Threads introduces spider silk protein-based personal care products through new company Eighteen B

March 06, 2019
Accelerating Materials Innovation More...
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by Kristin Marshall and Charles Willard
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After launching a handful of limited-release products ranging from neckties to knife handles, this is the first commercial effort by Bolt Threads to bring a spider silk-based product to market. Following the lead of AMSilk, which has been successfully selling spider silk protein-based cosmetic ingredients for more than a year, Eighteen B will utilize the unspun spider silk protein to avoid high spinning costs. The inclusion of silk proteins in cosmetic products is not new – Silk Therapeutics has a line of nearly 20 skin and body care products containing silk made by silkmoths – however, Eighteen B will produce its proteins via fermentation, potentially reducing hydrolyzation to increase their functionality in formulations.

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