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Oil in Water SPF 30 Sunscreen Cream

This formulation was designed to provide SPF 30 performance with only 20% HallBrite® EZ-FLO TDX dispersion. HallBrite® BHB (Butyloctyl Salicylate in the dispersion aids wetting and dispersion of the Titanium Dioxide and enhanced product feel. This composition was subjected to in vitro analysis and delivered SPF ~35, PFA (PPD) ~6 performance with critical wavelength 372 nm. One person in vivo testing yielded static SPF 34.6 in support of in vitro results.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AC12-15 Alkyl Benzoate 5.00Solvent
Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, SilicaHALLBRITE® EZ-FLO TDX20.00UV Filter/Sunscreen Agent / Photostabilizer / Carrier System
BCetearyl AlcoholHALLSTAR® TA-1618 CETEARYL ALCOHOL0.50Thickener (Nonaqueous)
VP/Eicosene Copolymer 1.00Film Former
Glyceryl StearateHALLSTAR® GMS PURE1.35Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS1.00Co-emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 2.00Emulsifier
CWater (Aqua) (deionized) up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.25Thickener (Aqueous)
DPreservative a.n.Preservative
Aluminum Starch Octenylsuccinate 2.00Deoiling Agent
Cyclopentasiloxane 2.00Emollient
EAcrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80  2.00Thickener (Aqueous)

PREPARATIVE PROCEDURE

1In secondary vessel add phase A, start mixing.
2Heat A to 85°C and then, add phase B with mixing.
3Add water and Glycerin of phase C to the main vessel, dissolve EDTA with mixing and then add Xanthan Gum, stirring until fully incorporated.
4Heat phase C to 80°C.
5When both phases are homogenous and at their designated temperatures, slowly add Oil phase (AB) to the water phase (C) with prop mixing.
6Start homogenizing for 3 mins. Resume prop mixing, and start cooling down until room temperature.
7One by one add phase D when batch < 40°C with mixing. Add phase E if batch is too thin.
8Replace any water lost to evaporation, and mix until smooth.

PRODUCT CHARACTERISTICS (25°C)

AppearanceWhite cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)23000 - 38000
pH5.5 - 6.5

*Patented and Patent Pending

The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements

The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA

Tel.: 877 427 4255 (International n.: +1 312 385 4494) - Fax: +1 330 929 3616 - E-mail: customerservice@hallstar.com Web Site: hallstar.com