Tryptophan
Tryptophan is a cosmetic ingredient used as an antistatic, hair conditioning agent. It is used in 11 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 1,323 studies of its skin or topical use.
| INCI name | TRYPTOPHAN |
| Function | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE |
| CAS number | 54-12-6 / 73-22-3 |
| EC number | 200-194-9 / 200-795-6 |
| Prevalence | 11 products (0.01% of dataset) |
| Most used in | Haircare |
| EU status | No annex restriction |
| Scientific studies | 1,323 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 49,500 |
Used in
Conditioners 36.4%Hair Masks 27.3%Shampoos 27.3%Eye Moisturizers 9.1%
Frequently asked
- What does Tryptophan do in skincare?
- Tryptophan functions as an antistatic, hair conditioning agent in cosmetic formulas.
- What products contain Tryptophan?
- It is most commonly found in Haircare products, especially conditioners (36.4% of its uses).
Manufacturers with experience using Tryptophan
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.