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Broad Spectrum Oil-in-Water SPF 50 Sunscreen Cream

A broad spectrum SPF 50 sunscreen cream.   Extremely rapid exicited state quencher SolaStay® S1 is incorporated to photostabilize Octinoxate and Avobenzone and mitigate the photocatalytic and reactive oxygen species generating activities of the oxide.  One person in vivo testing yielded static SPF 55 in a Korean lab. In vitro SPF 55, PFA 18, performance with critical wavelength 377 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AIsopropyl MyristateHALLSTAR® IPM-NF3.00Sunscreen Solvent
Ethylhexyl Methoxycinnamate [Octinoxate] 3.00UV Filter / Sunscreen Agent
Homosalate [Homosalate] 10.00UV Filter / Sunscreen Agent
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Ethylhexyl MethoxycryleneSolaStay® S1*3.00Photostabilizer
BButyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, SilicaHALLBRITE® EZ-FLO TDX10.00UV Filter/Sunscreen Agent / Carrier System
CVP/Eicosene Copolymer 1.00Film Former
Glyceryl StearateHALLSTAR® GMS PURE3.00Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS2.90Emulsifier
Butyl Methoxydibenzoylmethane [Avobenzone] 3.00UV Filter / Sunscreen Agent
DWater (Aqua) (deionized)  up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
EPreservative a.n.Preservative
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80  2.00Viscosity Increasing Agent (Aqueous)
Cyclopentasiloxane 3.00Feel Modification / Enhancement
Aluminum Starch Octenylsuccinate 2.00Deoiling Agent


1To a secondary vessel add phase A and start mixing, add phase B and heat to 80°C.
2Add phase C into phase AB, mixing well until all are dissolved.
3To the main vessel add the Water and Glycerin of phase D, start mixing and add remaining phase items in order.
4When solids of phase D are fully incorporated, heat phase D to 75°C.
5When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase D with mixing.
6Start homogenizing batch and after 3 minutes, resume center stir mixing and start cooling batch.
7When batch is below 45°C add phase E ingredients one by one with mixing.
8Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth.


AppearancePale yellow cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)12000 - 25000
pH4.5 - 5.5

*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: Web Site: