Sodium Oxide
Sodium 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). PubMed carries 10 studies of its skin or topical use.
| INCI name | SODIUM OXIDE |
| Function | BUFFERING |
| CAS number | 1313-59-3 |
| EC number | 215-208-9 |
| Prevalence | 3 products (0% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 10 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 4,400 |
Used in
Exfoliators 33.3%Facial Treatments 33.3%Sunscreens 33.3%
Frequently asked
- What does Sodium Oxide do in skincare?
- Sodium Oxide functions as a buffering agent in cosmetic formulas.
- Is Sodium 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 Sodium Oxide?
- It is most commonly found in Skincare products, especially exfoliators (33.3% of its uses).
Manufacturers with experience using Sodium Oxide
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.