Direct Black 51
Direct Black 51 is a cosmetic ingredient used as a hair dyeing agent. It is used in 1 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | DIRECT BLACK 51 |
| Function | HAIR DYEING |
| CAS number | 3442-21-5 |
| EC number | 222-351-0 |
| Prevalence | 1 products (0% of dataset) |
| Most used in | Haircare |
| EU status | Restricted (annex ) |
Used in
Other Styling 100%
Frequently asked
- What does Direct Black 51 do in skincare?
- Direct Black 51 functions as a hair dyeing agent in cosmetic formulas.
- Is Direct Black 51 allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Direct Black 51?
- It is most commonly found in Haircare products, especially other styling (100% of its uses).
Manufacturers with experience using Direct Black 51
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.