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Sunscreen Lotion Spray SPF 40

This sunscreen spray lotion formulation was designed to provide superior broad spectrum (SPF/PFA <<3) label SPF 40 performance. SolaStay® S1 provides very rapid and efficient excited state quenching of Avobenzone, protecting it from photodegradation. HallBrite® BHB contributes to UV filter solubility and enhances product feel. This formulation was subjected to in vitro analysis and delivered SPF ~40 , PFA (PPD) ~20 performance with critical wavelength 380 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*4.00Photostabilizer
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
C12-15 Alkyl Benzoate 10.00Solvent
Butyloctyl SalicylateHALLBRITE® BHB*7.00Sunscreen Solvent / Emollient
BButyl Methoxydibenzoylmethane [Avobenzone] 5.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film Former
Tri-C14-15 Alkyl Citrate 1.50Consistency Modifier
Ceteareth-25, Disodium Ethylene Dicocamide PEG-15 Disulfate 3.00Emulsifier
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
EPreservative a.n.Preservative
Glycerin 4.00Humectant
FWater (Aqua) (deionized) 12.00Volatile Carrier
Phenylbenzimidazole Sulfonic Acid [Ensulizole] 2.00UV Filter / Sunscreen Agent
Sodium Hydroxide (10% aqueous) 2.90pH Adjuster
GWater (Aqua) (deionized) 9.60Volatile Carrier
Microcrystalline Cellulose, Cellulose Gum 0.40Thickener (Aqueous)


1Add phase A to the secondary vessel, start mixing, add phase B, start heating phase AB to 70°C and add, in order, phase C ingredients.
2Add water of phase D into main vessel, dissolve Disodium EDTA and, with continued mixing, add Xanthan Gum.
3When Xanthan Gum is fully incorporated start heating phase D to 70°C, add preblended phase E and then add phase F solution of pH 7.5-8.0.
4When both phases are homogeneous and at their designated temperatures, add oil phase ABC to water phase DEF with prop mixing.
5After mixing combined phases for 5 minutes, start cooling and homogenize until the batch reaches 55°C.
6Resume prop and sweep mixing of batch with continued cooling.
7When batch is 50°C or lower, very slowly add previously prepared phase G (so it is a fully hydrated solution) and continue mixing for 20 minutes.
8Replace any water lost to evaporation, mix batch until smooth and perform quality assurance checks.


Appearance Pale yellow fluid liquid lotion
Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa·s) 900 - 1500
pH 6.5 - 7.5

*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: