Ammonium Hydroxide
Ammonium Hydroxide is a cosmetic ingredient used as a buffering, denaturant agent. It is used in 141 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 82 studies of its skin or topical use.
| INCI name | AMMONIUM HYDROXIDE |
| Function | BUFFERING, DENATURANT |
| CAS number | 1336-21-6 |
| EC number | 215-647-6 |
| Prevalence | 141 products (0.15% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 82 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 8,100 |
Used in
Facial Treatments 12.1%Exfoliators 11.3%Eyeliners 9.9%Serums 9.2%General Moisturizers 7.8%Face Cleansers 7.1%
Frequently asked
- What does Ammonium Hydroxide do in skincare?
- Ammonium Hydroxide functions as a buffering, denaturant agent in cosmetic formulas.
- Is Ammonium Hydroxide allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Ammonium Hydroxide?
- It is most commonly found in Skincare products, especially facial treatments (12.1% of its uses).
Manufacturers with experience using Ammonium Hydroxide
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.