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Broad Spectrum Oil-in-Water SPF 40 Sunscreen Lotion

This formulation was designed to provide broad spectrum (SPF/PFA ≤3) performance.  Extremely rapid excited state quenching SolaStay® S1 and HallBrite® ISO efficiently photostabilize Avobenzone, protecting it from photodegradation and so improve sunscreen performance.  HallBrite® BHB contributes to UV filter solubility and enhanced product feel.  One person in vivo testing yielded static SPF 46, PFA 19 in a US lab, SPF 46 in a Korean lab. In vitro SPF 40, PFA 16 with critical wavelength 380 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*3.00Photostabilizer
Octyldodecyl MethoxycrylenePrivate: HALLBRITE® ISO*3.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
Ethylhexyl Methoxycinnamate [Octinoxate] 7.50UV Filter / Sunscreen Agent
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Homosalate [Homosalate] 5.00UV Filter / Sunscreen Agent
BButyl Methoxydibenzoylmethane [Avobenzone] 3.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film Former
Cetearyl Olivate, Sorbitan OlivateOLIVEM® 10002.50Self-Emulsifier / Liquid Crystal Maker
Ceteareth-6 OlivateOLIVEM® 8003.00Co-emulsifier
DWater (Aqua) (deionized)  up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.30Thickener (Aqueous)
EPreservative a.n.Preservative
Cyclopentasiloxane 4.00Emollient
Silica (spherical, 12 µm) 2.00Deoiling Agent


1To a secondary vessel add phase A, start mixing, add phase B and heat phase AB to 85°C.
2Add phase C to phase AB with mixing.
3To the main vessel add Water and Glycerin of phase D, start mixing, add chelant, and then add thickener of phase D.
4Continue stirring phase D until fully incorporated and then start heating it to 80°C.
5When both phases are homogeneous and at their designated temperatures, slowly add oil phase ABC to water phase D with prop mixing.
6After 2 minutes, homogenize batch for 3 minutes and then start cooling. Add phase E when batch is below 50°C.
7Continue mixing batch until at room temperature. Replace any water lost to evaporation and mix until smooth.


AppearancePale yellow lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)2000 - 5000
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: