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Broad Spectrum Oil-in-Water SPF 30 Sunscreen Cream

This formulation was designed to provide superior broad spectrum (SPF/PFA <<3) label SPF 30 performance. SolaStay® S1 provides very rapid and efficient excited state quenching of Avobenzone, protecting it from photodegradation, and so improves sunscreen performance. HallBrite® BHB and HallTress® DIBA Special contribute to UV filter solubility and enhance product feel. This formulation was subjected to in vitro analysis and delivered SPF ~35 (30), PFA (PPD) ~16 performance with critical wavelength 379 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Emollient / Sunscreen Solvent
Diisobutyl AdipateHALLTRESS® DIBA SPECIAL5.00Sunscreen Solvent
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 2.00UV Filter / Sunscreen Agent
CCetearyl AlcoholHALLSTAR® TA-1618 CETEARYL ALCOHOL1.00Thickener (Nonaqueous)
VP/Eicosene Copolymer 1.50Film Former
Glyceryl StearateHALLSTAR® GMS PURE0.90Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS0.85Emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 1.50Emulsifier
DEthylhexyl Triazone 1.20UV Filter / Sunscreen Agent
Butyl Methoxydibenzoylmethane [Avobenzone] 2.00UV Filter / Sunscreen Agent
EWater (Aqua) (deionized) up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.30Thickener (Aqueous)
FPreservative a.n.Preservative
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80  1.00Viscosity Increasing Agent (Aqueous)
Cyclopentasiloxane 3.00Feel Modification / Enhancement
Aluminum Starch Octenylsuccinate 1.50Deoiling Agent


1To a secondary vessel add phase A, start mixing, slowly add phase B to phase A, heat to 85°C and then add phase C items in order.
2When phase ABC is homogenous, add phase D items to it and continue mixing until dissolved.
3Add Water and Glycerin from phase E to the main vessel, dissolve Disodium EDTA with continued mixing and then add Xanthan Gum.
4Stir phase E until Xanthan Gum is fully incorporated and then start heating phase E to 80°C.
5When both phase ABCD and phase E are homogeneous and at their designated temperatures, slowly add the oil phase ABCD to water phase E with prop mixing. After 2 minutes, homogenize for 3 minutes and then return to prop mixing.
6Start cooling batch with continued mixing. When batch is < 50°C, add phase F items one by one to batch and continue mixing and cooling.
7When batch is at room temperature, replace any water lost to evaporation, mix until smooth and perform quality assurance checks.


AppearanceOff-white to pale yellow fluid cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)4500 - 8000
pH5.5 - 6.5
Stability (45°C)pass three months
Stability (three freeze-thaw cycles)pass

*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: