Biodefend DU
Biodefend DU
INCI: Diazolidinyl Urea, Aqua
Category: Preservative
Trade name: Biodefend DU
CAS number: 78491-02-8/7732-18-5
1. Description
- Biodefend DU is highly effective against Gram-negative & Gram-positive bacteria, it is also effective against moulds with a limited effect against yeasts. It is a liquid highly soluble in water and effective in the pH range 3-9. Prolonged heating over 50°C should be avoided.
- Biofefend DU has a long history of cosmetic use with no effect on the color, odor, and viscosity of finished formulations. It is suitable in most personal care products.
2. Composition
|
INCI Name |
CAS No. |
|
Diazolidinyl Urea |
78491-02-8 |
|
Aqua |
7732-18-5 |
3. Characteristics
| Specifications |
Typical value for guidance |
|
Appearance |
Colorless Liquid |
|
Odor |
Mild characteristic odor |
|
Diazolidinyl Urea (%) |
Min.25 |
|
pH (10% solution) |
6.5 – 8.0 |
|
Solubility |
In water |
4. Example of use
- Benefit
- Highest preservation activity against bacteria. - Long history of safe cosmetic use.
- Largely used in a wide range of cosmetics.
- Easy to use.
- Not pH sensitive and effective in pH range 3-9.
- Highly soluble in water.
- Does not change odour, clour & viscosity of finished cosmetics.
- Reduced final costs.
- Function
- Preservative.
- Dosage
Leave-on/Rinse off: 1 - 2%.
- Application
- Hair care: shampoos, conditioners, gels, mousse.
- Body & face care: toners, gels, lotions, creams, wipes. Make-up: foundations, eyeliners, masks, powders, wipes.
- Sun products: sunscreens, suntans, aftersuns.
- Bath products: shower gels, bubble baths, hand cleaners, wipes.
5. Packing and storge
- The product should be stored in tightly closed original containers at temperatures below 35°C, protected from direct light.
- At these conditions, its guaranteed shelf-life is 2 years from the manufacturing date.
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