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Durable Protection Sunscreen Lotion



Published June 1, 2010
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Phase A
Mineral oil
2.0
Polawax (Croda) (Emulsifying wax NF)
5.0
Lipocol S-2 (Lipo) (Steareth-2)
0.5
Lipocol S-21 (Lipo) (Steareth-21)
1.0
Crodacol C-70 (Croda) (Cetyl alcohol)
1.0
Uvinul MC 80 (BASF) (Octinoxate)
7.5
Uvinul M 40 (BASF) (Oxybenzone )
6.0
Neo Heliopan OS (Octisalate) Symrise
5.0
Keltrol CG-T (CP Kelco) (Xanthan gum)
0.3
Hybridur 875 (Air Products) (40% solids)(Polyurethane-2 and polymethyl methacrylate)
2.5
Germaben II (ISP) (Propylene glycol, diazolidinyl urea, methylparaben, propylparaben)
1.0

Phase B
Deionized water
68.2

Procedure
Combine all phase A ingredients into a vessel while stirring mixture.  In another vessel add deionized water then slowly add xanthan gum while stirring. Continue to stir until clear homogenous mixture forms. Add other remaining phase B ingredients one by one to gum mixture while continuing to stir.  Begin heating both vessels until the temperature of both vessels is between 80-85°C. Once a 80-85°C temperature has been achieved add phase A to phase B slowly while continuing to stir the mixture. Remove from heat and homogenize the resulting emulsion for three minutes. Let the emulsion mix until it comes to a desired temperature.  Adjust the pH with triethanolamine (TEA 99%) and package.

Properties
Appearance—White emulsion; pH—6.3; Viscosity (cPs) (Spindle C @ 10 rpm)—12,900–14,000.

More Information
Air Products, Website: www.airproducts.com/personalcare


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