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SPF Water-Resistant Sunscreen



Published March 1, 2006
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Phase A
Koboguard 5400 IDD (Kobo Products) (Hydrogenated polycyclopentadiene [and] iIsododecane)
14.29
Permethyl 99A (Presperse) (Isodocane)
0.35

Phase B
Lucentite SAN (Kobo Products) (Lithium magnesium silicate)
2.00
Phenoxyethanol (NIPA Labs)
0.66

Phase C
PM9P50M170 (Kobo Products) (Titanium dioxide [and] Isododecane [and] alumina [and] dimethicone [and] polyhydroxystearic acid)
30.00
Tospearl 20000B (GE/Kobo Products) (Polymethylsilsesquioxane)
3.38
SF1540 (GE/Kobo Products) (Cyclomethicone [and] PEG/PPG-20/15 dimethicone)
6.80
Covi-Ox T70 (Cognis) (Tocopherol)
0.25

Phase D
Arlacel 80 (Uniqema) (Sorbitan oleate)
0.75
Crill 6 (Croda) (Sorbitan isostearate)
0.75
Propylparaben (ISP Sutton)
0.10

Phase E
Sodium chloride (Morton Salt)
1.00
Deionized water
17.70
Methylparaben (Protameen)
0.10

Phase F
Syncrowax HGL-C (Croda) (C18-36 triglycerides)
1.65
Syncrowax BB-4 (Croda) (Synthetic beeswax)
1.10
Vitamin E acetate (Roche) (dl-alpha tocopherol)
0.10

Phase G
Velvesil 125 (GE/Kobo Products) (Cyclopentasiloxane [and] C30-45 alkyl cetearyl dimethicone crosspolymer)
17.70

Phase H
Vanillin (Citrus & Allied Essence)
0.02

Phase I
Deionized water
1.00
dl-Panthenol (Roche)
0.30

Procedure
Combine phase A materials. Add the Lucnetite SAN slowly to phase A. Stir at high speed for 20 min. Add Phenoxyethanol and stir an additional 20 minutes. Combine all the ingredients in phase C to a stainless steel beaker and stir at high speed with a Cowles dissolver for 30 minutes. Add gel phases A-B to phase C to form the base. Add phase D to the base and homogenize for 15 minutes. Combine aqueous phase E and stir until clear. Add phase E slowly to the base and continue homogenizing while heating to 75°C. Add the waxes (phase F) to the base and continue to homogenize. Begin air cooling. At 70°C, add the Velvesil and QS solvent loss. Add phase H to the main batch at 55°C. At 42°C, add the panthenol solution. Continue homogenizing and cool till 25°C. Fill into appropriate containers.

More Information
Kobo Products, Inc.
690 Montrose Ave. & 3474 S. Clinton Ave.
South Plainfield, NJ, 07080
Tel: (908) 757-0033; Fax: (908) 757-0905
Website: www.koboproducts.com


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