Aluminum Hydroxide
Aluminum Hydroxide is a cosmetic ingredient used as a skin conditioning - emollient, humectant agent. It appears in about 2% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 435 studies of its skin or topical use.
| INCI name | ALUMINUM HYDROXIDE |
| Function | SKIN CONDITIONING - EMOLLIENT, HUMECTANT, OPACIFYING, SKIN PROTECTING |
| CAS number | 21645-51-2 |
| EC number | 244-492-7 |
| Prevalence | 1,392 products (1.5% of dataset) |
| Most used in | Makeup |
| EU status | Restricted (annex ) |
| Scientific studies | 435 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 9,900 |
Used in
Sunscreens 21%Foundations 13.8%Blushes 9.8%Concealers 9.6%Setting Spray & Powders 5.2%Eyeshadows 4.6%
Frequently asked
- What does Aluminum Hydroxide do in skincare?
- Aluminum Hydroxide functions as a skin conditioning - emollient, humectant agent in cosmetic formulas.
- Is Aluminum 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 Aluminum Hydroxide?
- It is most commonly found in Makeup products, especially sunscreens (21% of its uses).
Manufacturers with experience using Aluminum Hydroxide
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.