What Is Diazolidinyl Urea?
Diazolidinyl urea is a synthetic compound that’s used as a preservative in many cosmetics and personal care products. It’s a white, powdery substance that’s soluble in water.
Diazolidinyl urea is made by combining two chemicals: urea and formaldehyde. Urea is a waste product that’s produced by the body. Formaldehyde is a gas that’s used in many industries, including the manufacture of building materials, plastics, and textile production.
When these two chemicals are combined, they form a preservative that’s effective at preventing the growth of bacteria, mold, and yeast. Diazolidinyl urea is often used in products that come into contact with the skin, such as lotions, creams, shampoos, and conditioners. It’s also used in makeup, including mascara, eye shadow, and blush.
The Benefits of Diazolidinyl Urea
Diazolidinyl urea is added to cosmetics and personal care products to extend their shelf life by preventing the growth of bacteria and fungi. It’s also used to prevent the formation of mold and yeast in products that contain water.
How Does Diazolidinyl Urea Work?
Diazolidinyl urea works by releasing formaldehyde, which kills or inhibits the growth of bacteria, mold, and yeast. Formaldehyde is a gas that’s used in many industries, including the manufacture of building materials, plastics, and textile production.
When formaldehyde is released into the air, it quickly dissipates and is no longer harmful. However, when it’s used in personal care products, it can be slowly released into the air, and it can be breathed in.
When formaldehyde is inhaled, it can cause irritation to the eyes, nose, throat, and lungs. It can also cause headaches, dizziness, and nausea. Inhaling large amounts of formaldehyde can even lead to death.
How Does Diazolidinyl Urea Benefit the Skin?
Diazolidinyl urea is effective in preventing the growth of bacteria and fungi, making it ideal for use in products that come into contact with the skin. Diazolidinyl urea is also effective in preventing the formation of mold and yeast. This makes it an ideal ingredient for use in products such as makeup, lotions, and shampoos. In addition, urea is also used as a humectant, which helps to keep the skin moist. This makes it an important ingredient in many skincare products.
Beauty Products Containing Diazolidinyl Urea
Diazolidinyl urea is found in many cosmetics and personal care products. Here are some beauty products that contain diazolidinyl urea:
- lotions;
- creams;
- shampoos;
- conditioners;
- soaps;
- makeup;
- mascara;
- eye shadow;
- blush;
- nail polish;
- sunscreen.
How Safe Is It?
Diazolidinyl urea is considered to be a low-risk ingredient by the Cosmetic Ingredient Review (CIR) Expert Panel. The CIR is an independent, non-profit organization that evaluates the safety of ingredients used in cosmetics and personal care products.
The panel concluded that diazolidinyl urea is safe for use in cosmetics, as long as the product contains less than 0.5% formaldehyde. Diazolidinyl urea is also listed on the Environmental Working Group’s (EWG) Skin Deep Cosmetics Database as a low-hazard ingredient.
Other Uses of Diazolidinyl Urea
In addition to being used in cosmetics and personal care products, diazolidinyl urea is also used as a preservative in:
- food;
- pharmaceuticals;
- adhesives;
- paints.
Diazolidinyl urea is considered to be a low-risk ingredient when used in these products.
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