A mixture of amino acids from the complete hydrolysis of keratin, used for hair and skin conditioning.
What it is
Keratin amino acids is the mixture of amino acids resulting from the complete hydrolysis of keratin, the structural protein of hair, wool, nails and feathers. CosIng lists it as a hair-conditioning and skin-conditioning agent.
Where it is used
Found in shampoos, conditioners, hair masks, leave-in 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 INCI name does not reveal the source of the keratin; unlike hydrolysed keratin, it contains free amino acids rather than peptides.
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.
- Skin conditioning – miscellaneous
- Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (9)
- Smooth Shampoo · HASK
- HD Keratin Amino Acids Thermal Defense Spray Lotion · Farcom
- CHI Keratin Şampuan · CHI
- Revlon ColorSilk Beautiful Color Saç Boyası 73 Şampanya Sarısı · REVLON
- Revlon ColorSilk Beautiful Color Saç Boyası 44 Orta Kızıl Kahve · REVLON
- HASK Keratin Protein Saç Kremi · HASK
- Revlon ColorSilk Beautiful Color Saç Boyası 55 Açık Kızıl Kahve · REVLON
- Scalp Refresh · Creme of nature
- Healthy Hand & Nail Lotion · Life Brand