The efficacy of any cosmetic product is significantly influenced by its ability to resist microbial contamination. Diazolidinyl Urea (CAS 78491-02-8) is a prominent preservative that owes its widespread use to a well-understood and scientifically sound mechanism of action. As a trusted manufacturer, we are proud to supply this critical ingredient that ensures the safety and longevity of numerous personal care items.
At its core, Diazolidinyl Urea is an antimicrobial agent that operates through the controlled release of formaldehyde. This process is vital for its preservative function. When introduced into an aqueous cosmetic formulation, the compound undergoes slow hydrolysis, releasing small amounts of formaldehyde. Formaldehyde is a highly reactive molecule that disrupts essential cellular functions in microorganisms. It achieves this by cross-linking proteins and reacting with nucleic acids, thereby inhibiting bacterial growth, yeast proliferation, and mold development. This sustained, low-level release ensures a broad spectrum of activity against a wide array of common cosmetic contaminants.
The chemical structure and properties of Diazolidinyl Urea contribute to its formulation advantages. It appears as a white, free-flowing powder, readily soluble in water, which simplifies its incorporation into various cosmetic bases, including creams, lotions, shampoos, and conditioners. Its stability over a pH range of 0.3 to 9.0 makes it compatible with a broad spectrum of cosmetic ingredients and formulation types. For manufacturers looking to buy this ingredient, understanding these properties is key to successful product development.
From a commercial perspective, the consistent quality and competitive pricing offered by manufacturers in China make Diazolidinyl Urea an economically sound choice. When purchasing this preservative, formulators can be confident in its ability to provide robust protection, thereby extending product shelf-life and ensuring consumer safety. The scientific basis of its action, coupled with its practical formulation benefits, solidifies Diazolidinyl Urea's position as a vital ingredient in the cosmetic industry. We invite potential buyers to explore our offerings and experience the reliability of our supply chain.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.