D&C Red 21 Color Changing Pigment (CI45380)
Cosmetics
Code: 1505
color Changes color when pH changes
D&C Red 21 Color Changing Pigment color Changes color when pH changes
The formula is recommended to be made into anhydrous gel without water in the formula. when the formula touches the skin The color will occur on the skin.
can dissolve in a variety of oils When it melts, a light orange color is formed. and when in contact with the skin will become pink
Use: For products that require color change when in contact with the skin (there is a change in the pH of the formula)
How to mix: Melt 0.05% citric acid into the oil phase first, then dissolve the pigment completely in the same oil phase before combining with other phases. This procedure helps keep the bulk formula pale and lets the color develop mainly after skin contact.
Utilization rate: 0.1-3% depending on desired color intensity (recommended formula pH 1.0–7.0).
Product characteristics: light powder
Solubility: can dissolve in water and oil
Storage: Avoid heat and sunlight. *** and humidity *** aged at least 2 years
INCI Name : CI45380
- Room (25-40C)
- 60 Months from manufacturing or testing date.
- 0.10% - 3.00%
- 0.00%
- Add into water phase. Heat tolerant.
- Avoid heat above 80C
- 1.00 - 7.00
- Soluble in Water, Soluble in Oil
- Clear Gel, Hair Serum, Facial Oil, Color Changing Pigment
- › CI 45380
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| Test Name | Specification |
|---|---|
| PHYSICAL APPEARANCE | LIGHT BUFF POWDER |
| PURE DYE CONTENT | 95% MIN |
| THIN LAYER CHROMATOGRAPY | AS PER STANDARD |
| CHLORIDES & SULPHATES PERCENT BY MASS | 2% MAX |
| SOLUBILITY(0.5% IN ISOPROPYL MYRISTATE) | LIGHT YELLOW,CLEAR SOLUTION |
| LOSS ON DRYING AT 105 | 1.00% MAX |
| LEAD | <5 PPM |
| ARSENIC | <2 PPM |
| MERCURY | <1 PPM |
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