Formulary

Daily Wear Cream with SPF

July 1, 2008


Phase A
Deionized water
49.90
Glucam E-10 (Noveon) (Methyl gluceth-10)
1.00
Propylene glycol
1.00
Liquapar Optima (ISP) (Phenoxyethanol (and) methylparaben (and) isopropylparaben (and) isobutylparaben (and) butylparaben)
0.90
Keltrol SFT (CP Kelco) (Xanthan gum)
0.20
Glucamate SSE 20 (Noveon) (PEG 20 methyl glucose sequistearate)
1.00
Promulgen D (Noveon) (Cetearyl alcohol (and) cetereth-20)
3.00
DC 200 Fluid (Dow Corning) (Dimethicone 100 cps)
2.00
ZinClear IM 50 AB (Zinc oxide (and) C12-15 alkyl benzoate (and) isostearic acid (and) polyhydroxystearic acid)
40.00

Phase B
Glucate SS (Noveon) (Methyl glucose sequistearate)
1.00

Phase C
Citric acid
q.s.

Procedure
Combine all ingredients in Phase A and heat to 75°C. Combine all ingredients in Phase B and heat to 75°C. Note: by using a 40% dispersion of ZinClear IM 50 AB, the actual concentration of zinc oxide in the finished formulation will be 20%. Add Phase A to Phase B and homogenize at 10,000 rpm until desired particle size is achieved. Add a 50% solution of citric acid until desired pH is achieved. Cool to room temperature before packaging.

More Information
This elegant oil-in-water (o/w) facial cream provides excellent full-spectrum ultraviolet (UV) coverage with a sun protection factor (SPF) of 28 (in vivo results).*  The use of the ZinClear IM zinc oxide dispersion enables a cream that is transparent on the skin, with a light, non-greasy feel desired by consumers, even at a 20% zinc oxide loading. ZinClear is a trademark of Advanced Nanotechnology Limited. 

*In-vivo SPF 28 results were achieved through a five person panel study.

More Information
Amerchol Corporation, (800) 367-3534, Fax: (989) 832-1465, (800) 443-2746, Website: www.amerchol.com
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