Acetyl Cysteine
Acetyl Cysteine is a cosmetic ingredient used as an antioxidant, skin conditioning agent. It is used in 27 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | ACETYL CYSTEINE |
| Function | ANTIOXIDANT, SKIN CONDITIONING |
| CAS number | 616-91-1 |
| EC number | 210-498-3 |
| Prevalence | 27 products (0.03% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Monthly searches | 590 |
Used in
Serums 37%Shampoos 11.1%General Moisturizers 7.4%Leave-in Treatments 7.4%Nail Care 7.4%Night Moisturizers 7.4%
Frequently asked
- What does Acetyl Cysteine do in skincare?
- Acetyl Cysteine functions as an antioxidant, skin conditioning agent in cosmetic formulas.
- Is Acetyl Cysteine allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Acetyl Cysteine?
- It is most commonly found in Skincare products, especially serums (37% of its uses).
Manufacturers with experience using Acetyl Cysteine
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.