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W/O Sunscreen Lotion



Published October 1, 2004
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Phase A
Dehymuls PGPH (Cognis) (polyglyceryl-2 dipolyhydroxystearate)
4.0
Cetiol CC (Cognis) (dicaprylyl carbonate)
16.0
Myritol 331 (Cognis) (cocoglycerides)
8.0
Emersol 874 (Cognis) (isostearic acid)
1.0
Copherol F 1300 (Cognis) (tocopherol)
1.0

Phase B
Zincum N 29 (Bu00e4rlocher) (zinc stearate)
1.0
Eusolex T 2000 (Merck) (titanium dioxide (and) alumina (and) simethicone)
7.0
Z-Cote HP1 (BASF) (zinc oxide (and) dimethicone)
5.0

Phase C
Glycerin
5.0
Magnesium sulphate
1.0
Deionized water
50.5
Preservative
q.s.

Phase D
Hydagen B (Cognis) (bisabolol)
0.5

Procedure
Melt phase A ingredients at 80-85°C and stir until uniform. Add phase B and disperse the pigments. Heat phase C ingredients to 80-85°C and add slowly to phase A/B while stirring. Stir for five minutes at this temperature. Allow the emulsion to cool with stirring in such a way that it remains in continual motion. Avoid the incorporation of air. Homogenize at 50-60°C by means of a suitable dispersion unit (e.g. Ultra Turrax) in order to improve stability and structure. Stir while cooling to 30°C. Add phase D as required. Note: Excessive homogenizing can lead to an increase of the final viscosity.

Properties
Viscosity (mPas) Brookfield RVT 23°C spindle 5, 10rpm: 1000

More Information
Cognis Care Chemicals Division, 300 Brookside Avenue, Ambler, PA 19002
Tel: (800) 531-0815; Fax: (215) 628-1450; Website: www.cognis-us.com


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