Diazolidinyl urea
Product Code:HWSW490
Specification: 99%
Certifications:ISO,HACCP,FDA,SC,HALAL,etc
Product grade:USP/Food Grade
Packing: 1kg/aluminum foil bag ,25kg/drum ,OEM package available.
Delivery:5-7 days
MOQ:1KG
Product Name | Diazolidinyl urea/Diazolidinyl urea price/Diazolidinyl urea MANUFACTURER | |||
Appearance | White powder | |||
Specification | 99% | |||
Test Method | HPLC | |||
Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. | |||
Shelf Time | 24 months | |||
Functions of Diazolidinyl urea
Preservative:
- Provides broad-spectrum antimicrobial activity, particularly effective against bacteria and fungi.
Stabilizer:
- Prevents contamination during manufacturing, storage, and use, extending the shelf life of products.
Formulation Compatibility:
- Works well in a variety of pH ranges (typically effective in products with a pH of 3–9).
- Often combined with other preservatives, such as parabens, for enhanced efficacy.

Applications of Diazolidinyl urea
Skincare Products:
- Found in moisturizers, lotions, serums, and creams to maintain microbial stability.
Haircare Products:
- Used in shampoos, conditioners, and styling products to prevent microbial contamination.
Makeup:
- Included in foundations, powders, and eyeliners for preservation against microbial growth.
Baby Care Products:
- Incorporated into baby lotions and shampoos to ensure safety and prolonged usability.
Cleansing Products:
- Added to body washes, facial cleansers, and hand soaps.
Advantages of Diazolidinyl urea
- Cost-effective and efficient as a preservative.
- Compatible with a wide range of cosmetic formulations and active ingredients.
- Stable in formulations with varying pH levels and temperatures.
Considerations of Diazolidinyl urea
Formaldehyde Releaser: Diazolidinyl urea works by slowly releasing small amounts of formaldehyde, which provides the antimicrobial effect. This has raised concerns among consumers and regulatory bodies regarding its safety.
- Products containing formaldehyde-releasing preservatives may irritate sensitive skin, especially at higher concentrations.
- Formulators often limit the use concentration to meet safety standards (typically <0.5% in formulations).
Regulatory Restrictions:
- Approved by cosmetic regulatory bodies (e.g., EU, FDA, CIR) but with usage limits to ensure consumer safety.
- Not preferred in"natural"or"clean beauty"formulations due to consumer perception.





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