A recombinant spider silk protein produced by fermentation, used as a conditioning ingredient.
What it is
sr-Spider Polypeptide-1 is a single-chain recombinant protein produced by fermentation in E. coli. According to CosIng, the gene used is a synthetic copy of the gene from the European garden spider (Araneus diadematus) that codes for the silk protein fibroin-4. CosIng lists it as a hair-conditioning, nail-conditioning and skin-protecting ingredient.
Where it is used
Found in creams, serums, hair care products and nail care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The label does not show the amount used.
Functions
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- Nail conditioning
- Improving and/or enhancing the cosmetic characteristics of the nail (moisturizing, increasing sheen, reducing brittleness and flaking, etc.).
- Skin protecting
- Helping to avoid harmful effects to the skin from external factors.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (10)
- Tea Tree Purify Conditioner · The Body Shop
- Ginger Scalp Care Conditioner · The Body Shop
- Tea Tree Purify Shampoo · The Body Shop
- Shea Intense Repair Shampoo · The Body Shop
- Moringa Shine & Protection Shampoo · The Body Shop
- Hair in Balance by ONLYBIO Kolor Odżywka wygładzająco-ochraniająca kolor 200 ml · ONLYBIO
- Hair in Balance by ONLYBIO Kolor Szampon chroniący kolor włosów 400 ml · ONLYBIO
- Hair in Balance by ONLYBIO Kolor Szampon przyspieszający wypłukiwanie koloru 400 ml · ONLYBIO
- Hair in Balance by ONLYBIO Kolor Spray termoochronny ochrona przed UV 150 ml · ONLYBIO
- Hair in Balance by ONLYBIO Kolor Maska – kuracja odbudowująca 280 ML · ONLYBIO