DMDM Hydantoin/DMDMH as cosmetic preservative agent

DMDMH is a mild preservative and antibacterial agent with extremely low toxicity. It is non irritating to the skin and eyes when used within a concentration range of 0.1-0.5%, and has an effective pH value range of 4.0-7.0. It can be compounded with many products and is relatively easy to add and use. Its active ingredient: 1,3-2 (hydroxymethyl) -5,5-dimethylhydantoin CAS No: 6440-58-0

The appearance of DMDMH is a colorless and transparent liquid, with an active substance content of ≥ 55%, a density of 1.13-1.18g/ml, a pH value of 5.5-8.5, a total aldehyde content of ≥ 17%, and a free aldehyde content of ≤ 1%. DMDM Hydantoin is a slow-release fungicide with low odor, non-toxic when used at the prescribed dosage, and has a wide range of antibacterial properties; The sterilization effect is better within the pH range of 6-11; DMDMH has good compatibility and is usually not affected by various emulsifiers, with excellent stability; DMDMH can be used in cosmetics in combination with iodopropynyl butyl carbamate (IPBC) to enhance the broad-spectrum antibacterial properties of the formula.