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Broad Spectrum Water-in-Oil Mineral SPF 50 Sunscreen Lotion

A broad spectrum SPF 50 sunscreen lotion using ony mineral UV filters. SolaStay® S1 is incorporated to mitigate the photocatalytic and reactive oxygen species generating activities of the oxides. The various oils and HallBrite® BHB contribute to its favorable esthetics. The formula was subjected to in vitro analysis and delivered SPF ~55, PFA (PPD) ~23 performance with critical wavelength 379 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl PalmitateHALLSTAR® OP10.00Emollient
Aloe Barbadensis Leaf Extract, Canola OilBIOCHEMICA® BIOVERA ALOE OIL1.00Emollient
Butyrospermum Parkii (Shea) ButterBIOCHEMICA® SHEA BUTTER NATURAL0.50Emollient
Dimethicone (200 cSt)  8.00Emollient
Butyloctyl SalicylateHALLBRITE® BHB*5.00Emollient
Ethylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 3.20UV Filter / Sunscreen Agent
Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (30-200 nm primary particle size) 8.00UV Filter / Sunscreen Agent
CCetyl PEG/PPG-10/1 Dimethicone 4.00Emulsifier
Sorbitan OlivateOLIVEM® 9002.00Co-emulsifier
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.25Thickener (Aqueous)
EPreservative a.n.Preservative
Glycerin 3.00Humectant
FAluminum Starch Octenylsuccinate 2.00Deoiling Agent


1To the main vessel add phase A and start mixing, disperse phase B and then heat to 80°C.
2Add phase C to phase AB, mix well until all are dissolved and then homogenize for 3 minutes.
3To a secondary vessel add the Water of phase D, start mixing, add the Disodium EDTA and then add Xanthan Gum, stirring until fully incorporated. Start heating to 75°C.
4When both phases are homogeneous and at their designated temperatures, slowly add the water phase D to the oil phase ABC with gentle homogenization. Start cooling. When < 50°C, add premixed phase E and then add phase F.
5Continue mixing until batch is at room temperature, replace any water lost to evaporation and mix until smooth.


AppearanceOff-white cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)12500 - 22000

*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: