This study presents a novel application of SVX, a recombinant spider silk-inspired biopolymer, for advanced haircare formulations, designed to protect bleached and color-treated hair. Two SVX-based treatments—a multifunctional leave-on serum and a post-color booster—were developed to address key challenges: color fading, heat damage, and moisture loss. Under simulated oxidative, thermal, and environmental stress conditions, SVX formulations demonstrated significantly improved performance compared to benchmark products. SVX-treated hair exhibited a substantial reduction in color change (ΔE reduced from 5.2 ± 1.1 to 2.1 ± 0.6), retained mechanical strength after intense heat exposure (>90% tensile strength vs. 64% in controls), and showed a marked increase in hydration (>84% moisture retention vs. 56% in untreated hair). The booster treatment further enhanced cuticle sealing and post-color recovery without altering dye intensity. SVX forms a protective, proteinaceous network on the hair surface, reinforcing the fiber structure and maintaining moisture. Its sustainable, biodegradable, and vegan profile supports its use in next-generation cosmetic innovations. These results position SVX as a powerful, multifunctional ingredient for high-performance and eco-conscious haircare applications.
Press et al. (Fri,) studied this question.
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