Algin
Algin is a cosmetic ingredient used as a binding, fragrance agent. It appears in about 1% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 2,435 studies of its skin or topical use.
| INCI name | ALGIN |
| Function | BINDING, FRAGRANCE, VISCOSITY CONTROLLING |
| CAS number | 9005-38-3 / 57606-04-9 |
| Prevalence | 477 products (0.51% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 2,435 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 1,600 |
Used in
Wash Off Masks 18.7%Serums 17.6%General Moisturizers 7.8%Sheet Masks 7.8%Eye Masks 6.3%Face Cleansers 6.1%
Frequently asked
- What does Algin do in skincare?
- Algin functions as a binding, fragrance agent in cosmetic formulas.
- Is Algin allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Algin?
- It is most commonly found in Skincare products, especially wash off masks (18.7% of its uses).
Manufacturers with experience using Algin
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.