






DMDM Hydantoin (DMDMH)
Broad-Spectrum Liquid Preservative
Description: Organic compound belonging to a class of compounds known as hydantoins. Very effective broad-spectrum preservative. Clear liquid. pH (as is): 6.5-7.5. Active content 44.0 - 46.0%. Easily soluble in water.
- Effective broad-spectrum preservation against gram-positive and gram-negative bacteria, yeast, and mold
- For its high water solubility, it is particularly suggested for aqueous formulations and emulsions
- Extends shelf life of personal care products typically to 6-18 months
- Compatible with most cosmetic ingredients
- Product is non-irritating and non-sensitizing
- Environmentally friendly as it will not build up in aquatic organisms and will be broken down by microorganisms in soil.
Use: Recommended use level of 0.1-0.6%. Performs well at pH levels up to 10 (ideal pH 4-10). Can be incorporated at the cooling stage of formulation at temperatures not exceeding 60°C./140°F.
Application: All kinds of skin & hair care products, wipes, sun care products, & makeup products, almost all water-based cosmetics and toiletries.
Ingredients: DMDM Hydantoin (and) Water
Always test formulations. This product is intended for external use only.





This product is a cosmetic raw material and is intended for external use only in cosmetic and personal care formulations. It is not intended for internal consumption or medicinal use.
- Do not ingest.
- Keep out of reach of children.
- Avoid direct contact with eyes.
All product images are for illustrative purposes only. Actual product color, texture, or packaging may vary from batch to batch.
Information provided on this website is for educational purposes only and should not be considered or interpreted as medical advice.
While we do not offer products for internal use, we source only high-quality, pharmaceutical or food-grade ingredients. Ingredient purity and performance are critical in cosmetic applications, just as they are in ingestible products.
Please note:
Just because two products have the same name or CAS number does not guarantee the same grade, purity, or effectiveness. Always choose trusted suppliers. Choose Purenso for premium-grade ingredients you can rely on.
