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Water in Oil Natural Sunscreen Cream SPF 50

A broad spectrum natural (using only microfine oxide UV filters) sunscreen cream. SolaStay® S1 is incorporated to mitigate the photocatalytic and reactive oxygen species generating activities of oxides and so improve sunscreen performance. HallBrite® BHB aids wetting and dispersion of oxides and enhances product feel. This formulation was subjected to in vitro analysis and delivered SPF ~ 55, PFA (PPD) ~ 19 performance with critical wavelength 379 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
ACaprylic/Capric Triglyceride 5.00Emollient
Ethylhexyl OlivateSENSOLENE®2.00Emollient
Butyloctyl SalicylateHALLBRITE® BHB*5.00Solvent
Ethylhexyl MethoxycryleneSolaStay® S1*3.00Photostabilizer
Dimethicone (200 cSt)  5.00Feel Modification / Enhancement
Ethylhexyl PalmitateHALLSTAR® OP5.00Emollient
Glyceryl OleateHALLSTAR® GMO0.80Emulsifier
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 4.00UV Filter / Sunscreen Agent
Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (30-200 nm primary particle size) 8.00UV Filter / Sunscreen Agent
CBeeswax (Cera Alba) 1.00Thickener (Nonaqueous)
PEG-30 Dipolyhydroxystearate 2.00Emulsifier
Polyethylene 1.00Film Former
DWater (Aqua) (deionized) up to 100Volatile Carrier
Butylene Glycol 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.10Thickener (Aqueous)
Sodium Chloride 1.00Thickener (Aqueous)
EPreservative a.n.Preservative


1To the main vessel add phase A and start mixing, disperse phase B , heat to 85°C.
2Add phase C into phase AB, and mix well until all are dissolved.
3To a secondary vessel add phase D, mix until fully incorporated and heat to 80°C, mixing well.
4When both phases are homogeneous and at their designated temperatures, start homogenizing oil phase ABC and slowly add water phase D.
5When combined phases are homogeneous, start cooling and when batch is below 45°C add phase E with continued mixing.
6Stop mixing batch when it has been cooled to room temperature.


AppearanceOff-white cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)15000 - 25000

*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: Web Site: