Polylysine
Polylysine is a cosmetic ingredient used as a hair conditioning agent. It is used in 49 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | POLYLYSINE |
| Function | HAIR CONDITIONING |
| CAS number | 25104-18-1 |
| Prevalence | 49 products (0.05% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Monthly searches | 480 |
Used in
Serums 34.7%Facial Treatments 14.3%Face Cleansers 10.2%Toners 8.2%Exfoliators 6.1%Body Treatments 4.1%
Frequently asked
- What does Polylysine do in skincare?
- Polylysine functions as a hair conditioning agent in cosmetic formulas.
- Is Polylysine allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Polylysine?
- It is most commonly found in Skincare products, especially serums (34.7% of its uses).
Manufacturers with experience using Polylysine
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.