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Broad Spectrum SPF 30 Sunscreen Lotion Spray

This formulation was designed to provide 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. SolaStay® S1 also mitigates the photocatalytic and reactive oxygen species generating activities of the oxide to improve sunscreen performance. HallBrite® BHB contributes to UV filter solubility and enhances product feel. This formulation was subjected to in vitro analysis and delivered SPF ~35 (30), PFA (PPD) ~19 performance with critical wavelength 380 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
C12-15 Alkyl Benzoate 10.00Sunscreen Solvent / Emollient
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 3.00UV Filter / Sunscreen Agent
CEthylhexyl Triazone 1.50UV Filter / Sunscreen Agent
VP/Eicosene Copolymer 1.00Film Former
Tri-C14-15 Alkyl Citrate 1.50Consistency Modifier
Ceteareth-25, Disodium Ethylene Dicocamide PEG-15 Disulfate 3.00Emulsifier
DButyl Methoxydibenzoylmethane [Avobenzone] 2.40UV Filter / Sunscreen Agent
EWater (Aqua) (deionized) up to 100Volatile Carrier
Glycerin 4.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
FPreservative a.n.Preservative
GWater (Aqua) (deionized) 9.60Volatile Carrier
Microcrystalline Cellulose, Cellulose Gum 0.40Stabilizing Agent
HCyclopentasiloxane 2.50Emollient
Aluminum Starch Octenylsuccinate 1.50Deoiling Agent


1To a secondary vessel add phase A, start mixing, add phase B to phase A, and heat phase AB to 70°C.
2Add phase C ingredients to phase AB with continued mixing, then, add phase D to phase ABC and mix until completely dissolved.
3Add liquids from phase E to main vessel, dissolve Disodium EDTA, then add Xanthan Gum and mix until fully incorporated.
4Start heating phase E to 70°C.
5With both phases are homogeneous and at temperature, add oil phase ABCD to water phase E with mixing.
6After mixing for five minutes, start cooling and homogenize until batch reaches 55°C (or 3 minutes), then return to prop mixing with continued cooling.
7At 45°C or lower, add phase F, and very slowly add premix of phase G and continue mixing for 20 minutes.
8Add phase H and mix well. Replace any water lost to evaporation and mix batch until smooth.


AppearanceOff-White, Fluid Liquid Lotion
Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa∙s)900 - 1300
pH6.0 - 7.0
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: