A recombinant human peptide produced in a microalga, listed among others as a skin- and hair-conditioning ingredient.
What it is
Chlorella vulgaris sh-oligopeptide-1 is, according to CosIng, a single-chain recombinant human peptide produced by the microalga Chlorella vulgaris after introduction of a copy of a human gene. The starting gene is a synthesised copy of the human gene coding for epidermal growth factor (EGF), and the peptide contains up to 53 amino acids. CosIng lists it as an antimicrobial, antioxidant, hair-conditioning, humectant, skin-conditioning and skin-protecting ingredient.
Where it is used
Appears on the ingredient lists of a small number of skin 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 concentration of the peptide in the finished product.
Functions
- Antimicrobial
- Preventing and/or slowing down microbial growth.
- Antioxidant
- Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
- 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.
- Humectant
- Retaining and/or preserving the moisture in a product during use.
- Skin conditioning
- Maintaining the skin in good condition.
- 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.