Potassium Oxide
Potassium Oxide is a cosmetic ingredient used as a buffering agent. It is used in 3 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | POTASSIUM OXIDE |
| Function | BUFFERING |
| CAS number | 12136-45-7 |
| EC number | 235-227-6 |
| Prevalence | 3 products (0% of dataset) |
| Most used in | Nail |
| EU status | Restricted (annex ) |
| Monthly searches | 2,900 |
Used in
Nail Care 66.7%Sunscreens 33.3%
Frequently asked
- What does Potassium Oxide do in skincare?
- Potassium Oxide functions as a buffering agent in cosmetic formulas.
- Is Potassium Oxide allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Potassium Oxide?
- It is most commonly found in Nail products, especially nail care (66.7% of its uses).
Manufacturers with experience using Potassium Oxide
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.