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Sunscreen Lotion SPF 45

SolaStay® S1 provides very rapid and efficient excited state quenching of Avobenzone, protecting it from photodegradation, while also mitigating the
photocatalytic and reactive oxygen species generating activities of the oxide, improving sunscreen performance. This formulation was subjected to in vitro analysis and delivered SPF ~ 48, PFA (PPD) ~ 18 performance with critical wavelength 379 nm

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
ACaprylic/Capric Triglyceride 5.00Emollient
Dicaprylyl Carbonate 3.00Emollient
Ethylhexyl Methoxycinnamate [Octinoxate] 10.00UV Filter / Sunscreen Agent
Ethylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Emollient
B4-Methylbenzylidene Camphor [Enzacamene] 4.00UV Filter / Sunscreen Agent
Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 4.10UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film Former
Glyceryl StearateHALLSTAR® GMS PURE1.60Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS1.60Co-emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 1.65Emulsifier
DButyl Methoxydibenzoylmethane [Avobenzone] 2.00UV Filter / Sunscreen Agent
EWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Acrylates/C10-30 Alkyl Acrylate Crosspolymer 0.24Thickener (Aqueous)
FPreservative a.n.Preservative
GGlycerin 3.00Humectant
Phenoxyethanol, Caprylyl Glycol, Chlorphenesin 1.00pH Adjuster


1To a secondary vessel add phase A, start mixing and slowly add phase B components individually to phase A with continued mixing.
2Heat phase AB to 85°C and then add phase C ingredients with mixing. Add phase D to phase ABC and mix until phase D is fully dissolved.
3To the main vessel add the Water of phase E, start mixing, add the Disodium EDTA, then add the Pemulen ® TR-2, and heat this phase to 80°C. Then add premix of phase F to phase E
4When both phases ABCD and EF are homogeneous and at designated temperatures, slowly add phase ABCD to phase EF with mixing.
5Start homogenizing intensively and start cooling. When the batch is at 55°C, add phase G and keep homogenizing intensively for five minutes.
6Stop homogenizing and resume sweep mixing. Add premix H phase and mix well.
7When the batch is uniform add deionized water to correct for evaporative losses. Continue mixing until smooth.


AppearanceOff-white lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s)3500 - 6500
pH6.0 - 7.0

*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: