sr-Spider Polypeptide-1
A recombinant spider silk protein produced by fermentation using a synthetic copy of the Araneus diadematus fibroin-4 gene, used in anti-aging and firming skincare for its collagen-stimulating and skin-firming effects.
Also known as: sr-(spider polypeptide-1 oligopeptide-178)
Benefits
- ✓Stimulates collagen production to improve firmness and elasticity
- ✓Reduces the appearance of fine lines and wrinkles
- ✓Biodegradable and considered gentle on skin microflora
Watch for
- ⚠Of animal-derived-sequence origin (biotech-produced recombinant spider silk protein) — may theoretically trigger reactions in those with invertebrate-protein allergies
In depth
What it does
A recombinant spider silk protein produced by fermentation using a synthetic copy of the Araneus diadematus fibroin-4 gene, used in anti-aging and firming skincare for its collagen-stimulating and skin-firming effects. As an active ingredient, it is particularly valued for stimulates collagen production to improve firmness and elasticity, reduces the appearance of fine lines and wrinkles, and biodegradable and considered gentle on skin microflora.
Skin type guide
Generally well-tolerated across skin types, including sensitive skin. As with any new ingredient, a patch test is always a sensible first step.
How to use it
Apply after cleansing and any toning steps, before moisturiser. Start with a few times per week to assess tolerability before building to daily use.