Colloidal Gold
Colloidal Gold is a cosmetic ingredient used as an antimicrobial agent. It is used in 52 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 409 studies of its skin or topical use.
| INCI name | COLLOIDAL GOLD |
| Function | ANTIMICROBIAL, SKIN CONDITIONING - MISCELLANEOUS |
| CAS number | 7440-57-5 |
| EC number | 231-165-9 |
| Prevalence | 52 products (0.06% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 409 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 3,600 |
Used in
Serums 15.4%Eye Masks 13.5%Eye Moisturizers 11.5%General Moisturizers 11.5%Wash Off Masks 9.6%Essences 3.8%
Frequently asked
- What does Colloidal Gold do in skincare?
- Colloidal Gold functions as an antimicrobial, skin conditioning - miscellaneous agent in cosmetic formulas.
- Is Colloidal Gold allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Colloidal Gold?
- It is most commonly found in Skincare products, especially serums (15.4% of its uses).
Manufacturers with experience using Colloidal Gold
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.