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Broad Spectrum SPF 40 Sunscreen Cream

This sunscreen cream formulation delivers true broad-spectrum sun protectin, making use of singlet state quenching SolaStay®S1, triplet state quenching organosilicone HallBrite®PSF, and elegant sunscreen solvent and emollient HallBrite®BHB tp photostabilize a combination of the sunscreen active ingedients Homosalate and Avobenzone. Sunspheres magnify sunscreen active ingredients performance. In vitro testing indicates SPF ~ 40, PFA (PPD) ~ 30. Critical wavelength = 380nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AHomosalate [Homosalate] 7.00UV Filter / Sunscreen Agent
C12-15 Alkyl Benzoate 4.00Solvent
Ethylhexyl MethoxycryleneSolaStay® S1*3.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent
Undecylcrylene DimethiconeHALLBRITE® PSF*2.00Photostabilizer
BButyl Methoxydibenzoylmethane [Avobenzone] 3.00UV Filter / Sunscreen Agent
CGlyceryl StearateHALLSTAR® GMS PURE1.43Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS1.27Co-emulsifier
Cetearyl AlcoholHALLSTAR® TA-1618 CETEARYL ALCOHOL0.50Thickener (Nonaqueous)
VP/Eicosene Copolymer 1.00Film Former
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 1.50Emulsifier
DStyrene/Acrylates Copolymer (hollow spherical, 325 nm) 3.00SPF Booster
EWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
FPreservative a.n.Preservative
Glycerin  3.00Humectant
GAcrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80  1.50Thickener (Aqueous)
Silica (spherical, 12 µm) 2.00Deoiling Agent

PREPARATIVE PROCEDURE

1To a secondary vessel, add phase A and start mixing. Add phase B, het to 85°C, and then add phase C individually.
2When AB homogenous, add phase D and mix this oil phase until D is well dissolved
3Add water of phase E to the main vessel, dissolve EDTA with continue mixing and then add Xanthan gum, stirring until fully incorporated.
4Start heating phase E to 80°C and add premix phase F to the water phase with mixing.
5When both phases are homogenous, and at their designated temperature, slowly add the oil phase ABCD to the water phase EF with mixing.
6Start homogenizing and cooling. When the batch reaches 55°C, start sweet mixing and continue cooling. Add simulgel and continue mixing until fully incorporated.
7Add Silica and continue mixing until incorporated. When completely smooth, perform final quality assurance checks.

PRODUCT CHARACTERISTICS (25°C)

Appearance Light yellow Cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 13000 - 22000
pH 5.5 - 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