DMDM Hydantoin
| INCI Name | Effects On | Natural Source | |
| Face Care | Hair Care | ||
| DMDM Hydantoin | Rare Use, When present, it prevents contamination and spoilage. | Commonly used in shampoos, conditioners, and styling products, Microbial Protection. | not a natural one. It's produced by reacting formaldehyde with dimethylhydantoin. While formaldehyde itself can be found in trace amounts in some foods and is a metabolic product in plants and animals. |