Leucine
Leucine is a cosmetic ingredient used as an antistatic, hair conditioning agent. It is used in 120 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 1,759 studies of its skin or topical use.
| INCI name | LEUCINE |
| Function | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING |
| CAS number | 61-90-5 |
| EC number | 200-522-0 |
| Prevalence | 120 products (0.13% of dataset) |
| Most used in | Skincare |
| EU status | No annex restriction |
| Scientific studies | 1,759 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 27,100 |
Used in
Serums 15.8%Toners 12.5%Face Cleansers 10.8%Hair Masks 7.5%Sheet Masks 7.5%General Moisturizers 5.8%
Frequently asked
- What does Leucine do in skincare?
- Leucine functions as an antistatic, hair conditioning agent in cosmetic formulas.
- What products contain Leucine?
- It is most commonly found in Skincare products, especially serums (15.8% of its uses).
Manufacturers with experience using Leucine
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.