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Sparkling Sunscreen Lotion

Posted: October 22, 2008

Company: BASF

A.
Glycerin 3.00% w/w
Xanthan gun (Keltrol CG, Emery) 0.30
Magnesium aluminum silicate (Veegum Ultra, RT Vanderbilt) 0.50
B.
Water (aqua) qs
Dimethicone copolyol (DC 193 Fluid, Dow Chemical) 0.20
DIsodium EDTA (EDETA BA, BASF) 0.20
C.
Zinc oxide (and) dimethoxydiphenylsilane (and) triethoxycaprylsilane crosspolymer (Z-Cote Max, BASF)  2.00
Octinoxate (Uvinul MC 80, BASF) 7.50
Dicaprylyl carbonate (Cetiol CC, Cognis) 10.00
Cocoglycerides (Myritol 331, Cognis) 5.00
Polyglyceryl-3 distearate (Cremophor GS32, BASF) 3.00
Ceteareth-6 (and) stearyl alcohol (Cremophor A 6, BASF) 0.50
Ceteareth-25 (Cremophor A 25, BASF) 0.50
Cetyl alcohol (Lanette 16NF, Cognis) 0.50
Stearyl alcohol (Lanette 18 USP, Cognis) 0.50
Behenyl alcohol (Lanette 22, Cognis) 0.50
Bisabolol (Bisabolol, racemic, BASF) 0.50
Tocopheryl acetate (Vitamin E Acetate, BASF) 0.50
D.
Fragrance (parfum) qs
Preservative 0.50
E.
Proprietary mineral pigment blend (INCI not provided) (Cloisonne Sparkle Gold 222J, BASF)   1.00

Procedure:  Separately combine A and B. Under propeller mixing, add A to B and heat to 75-80°C. Combine C and homogenize until particle is well-dispersed. Check dispersion with Hegman Gage, or between two glass slides. Combine D and heat to 75-80°C. Add C to D and homogenize for 1-2 min. Add CD to AB using homogenizer and homogenize for 4-5 min. Add F and continue homogenizing for 2-3 min. Transfer to sweep mixing and begin to cool to 40°C. Add E in order, mix in well. Cool to RT.