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Oil-in-Water Mineral Sunscreen Cream SPF 50

This formulation uses only mineral UV filters in a water-broad spectrum sunscreen cream and employs SolaStay® S1 to mitigate the photocatalytic and reactive oxygen species-generating activities of the oxides. It was subjected to in vitro analysis and delivered SPF ~60, PFA (PPD) ~24 performance with critical wavelength 380 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl IsononanoateHALLSTAR® OCTYL ISONONANOATE10.00Emollient
Butyrospermum Parkii (Shea) ButterBIOCHEMICA® SHEA BUTTER REFINED1.00Emollient
Ethylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, SilicaHALLBRITE® EZ-FLO TDX10.00UV Filter/Sunscreen Agent / Carrier System
BVP/Eicosene Copolymer 2.00Film Former / Water Resistance Enhancer
Glyceryl StearateHALLSTAR® GMS PURE3.00Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS2.80Co-emulsifier
CZinc Oxide [Zinc Oxide], Silica (10-30 nm primary particle size) 12.00UV Filter / Sunscreen Agent
DStyrene/Acrylates Copolymer (hollow spherical, 325 nm) 3.00SPF Booster
EWater (Aqua) up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.25Thickener (Aqueous) / Emulsion Stabilizer
FPreservative a.n.Preservative
Cyclopentasiloxane, Cyclohexasiloxane 5.00Emollient
Aluminum Starch Octenylsuccinate 2.00Deoiling Agent


1To a secondary vessel add phase A, start mixing, heat to 80°C, add phase B and then add phase C.
2To the main vessel add the Water and Glycerin of phase E, start mixing and add remaining phase items in order.
3When solids of phase E are fully incorporated, heat phase E to 75°C.
4When both phases are homogeneous and at their designated temperatures, add phase D to phase ABC and mix until uniform.
5Slowly add phase ABCD to phase E with strong mixing.
6Homogenize for 3 minutes , start cooling and when batch is below 50°C add phase F items one by one with mixing.
7Continue mixing until batch is at room temperature, replacing any water lost to evaporation and stop mixing when smooth.


AppearanceWhite smooth lotion
Viscosity (Brk, DVII, T-D, 20 rpm, after 24h at room temperature; mPa∙s)10000 - 15000
pH (as is)6 - 7

*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: