Phosphoric Acid
Phosphoric Acid is a cosmetic ingredient used as a buffering agent. It is used in 129 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 4,942 studies of its skin or topical use.
| INCI name | PHOSPHORIC ACID |
| Function | BUFFERING |
| CAS number | 7664-38-2 |
| EC number | 231-633-2 |
| Prevalence | 129 products (0.14% of dataset) |
| Most used in | Nail |
| EU status | Restricted (annex ) |
| Scientific studies | 4,942 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 33,100 |
Used in
Nail Care 58.9%Other Styling 7.8%Makeup Removers 4.7%Other Haircare 3.9%Prescription 3.9%General Moisturizers 3.1%
Frequently asked
- What does Phosphoric Acid do in skincare?
- Phosphoric Acid functions as a buffering agent in cosmetic formulas.
- Is Phosphoric Acid allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Phosphoric Acid?
- It is most commonly found in Nail products, especially nail care (58.9% of its uses).
Manufacturers with experience using Phosphoric Acid
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.