| Vegan? No | Vegetarian? No |
Classifications are made based on the available commercial supply of the ingredient, and are made based on the criteria on our classifications page.
Commercially available keratin is not vegan or vegetarian.
Keratin is a structural protein found in hair, nails, feathers, and hooves. In fact, approximately 95% of the weight of wool is made up of keratin. It is commercially extracted from these animal sources.
Sources
- Chilakamarry, C. R., Mahmood, S., Saffe, S. N. B. M., Arifin, M. A. B., Gupta, A., Sikkandar, M. Y., Begum, S. S., & Narasaiah, B. (2021). Extraction and application of keratin from natural resources: a review. 3 Biotech, 11(5).
https://doi.org/10.1007/s13205-021-02734-7 - https://veganpeace.com/ingredients/ingredients.htm
- https://en.wikipedia.org/wiki/Keratin