Whey
Whey is a cosmetic ingredient used as a skin conditioning agent. It is used in 8 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 349 studies of its skin or topical use.
| INCI name | WHEY |
| Function | SKIN CONDITIONING |
| CAS number | 92129-90-3 |
| EC number | 295-890-2 |
| Prevalence | 8 products (0.01% of dataset) |
| Most used in | Haircare |
| EU status | Restricted (annex ) |
| Scientific studies | 349 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 27,100 |
Used in
Scalp Treatments 25%Shampoos 25%Grooming 12.5%Hair Loss Treatments 12.5%Lip Moisturizers 12.5%Wash Off Masks 12.5%
Frequently asked
- What does Whey do in skincare?
- Whey functions as a skin conditioning agent in cosmetic formulas.
- Is Whey allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Whey?
- It is most commonly found in Haircare products, especially scalp treatments (25% of its uses).
Manufacturers with experience using Whey
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.