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High Protection SPF 30 Sun Spray



Published July 1, 2010
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Phase A
Parsol 1789 (DSM) (Butyl methoxydibenzoylmethane) (avobenzone; USAN)
3.00
Parsol HMS (DSM) (Homosalate (homosalate; USAN)
15.00
Parsol EHS (DSM) (Ethylhexyl salicylate (octisalate; USAN)
5.00
Parsol 340 (DSM) (Octocrylene (octocrilene; USAN)
2.79
Parsol SLX (DSM) (Polysilicone-15)
0.99
Amphisol K (DSM) (Potassium cetyl phosphate)
4.00
Eusolex 4360 (Merck) (Benzophenone-3 (oxybenzone; USAN)
6.00
Dow Corning 556 Cosmetic Grade (Dow Corning) (Phenyl trimethicone)
3.00
Butylated Hydroxytoluene (Dow Corning) BHT
0.05
Dub Dis (Stearinerie Dubois Fils) (Diisopropyl sebacate)
5.00
Lanette 16 (Cognis Deutschland) (Cetyl alcohol)
0.30
Phenonip (Clariant) (Phenoxyethanol & methylparaben & ethylparaben & butylparaben & propylparaben & isobutylparaben)
0.80
X-Tend 226 (ISP) (Phenethyl benzoate)
5.00
Dermofeel BGC (Dr. Straetmans) (Butylene glycol dicaprylate/dicaprate)
5.00
dl-alpha -Tocopheryl Acetate (DSM) (Tocopheryl acetate)
0.50

Phase B
Carbopol Ultrez 10 (Lubrizol/Noveon) (Carbomer)
0.10

Phase C
1,2-Propanediol (Fluka Chemie) (Propylene glycol)
2.50
Edeta BD (BASF) (Disodium EDTA)
0.10
Sodium hydroxide 10% sol.
1.00
Water dem.
27.87

Phase D
Dow Corning 2501 Cosmetic Wax (Dow Corning) (Bis-PEG-18 methyl ether dimethyl silane)
2.00
Water dem.
10.00

Procedure
Heat phase A to 85°C and stir until homogeneous. Add Carbopol to the hot phase A. Heat phase C to 85°C and add to phase A under agitation, then homogenize strongly. Cool down to 50°C. Add phase D to the emulsion. Homogenize thoroughly and then with continued mixing cool down to ambient temperature. It is generally recommended to use vacuum while producing the emulsion.

Properties
pH—6.83; Viscosity—700 cps (Brookfield, RV3, 10 rpm); SPF in vivo—34.8 In vitro UVAPF (Colipa 2007)—10.4; UVAPF/SPF (30 labeled); ≥ 0.33: 0.35; Critical Wavelength—376.5

More Information
DSM Nutritional Products
(800) 526-0189
Website: www.unlimitednutrition-na.dsm.com


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