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Oil-in-Water SPF 70 Sunscreen Lotion

This sunscreen lotion is Avobenzone-, Oxybenzone- and Octocrylene-free and uses SolaStay® S1 to mitigate the photocatalytic and reactive oxygen species generating activities of the oxide. It was subjected to in vitro analysis and delivered SPF ~ 60, PFA (PPD) ~ 8 performance with critical wavelength 379 nm. In vivo testing yielded results of SPF 72 (3 subjects) and PFA 10 (1 subject). In vivo testing data from a Korean lab are also available.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
ACaprylic/Capric Triglyceride 3.00Sunscreen Solvent
Ethylhexyl Methoxycinnamate [Octinoxate] 7.50UV Filter / Sunscreen Agent
Ethylhexyl MethoxycryleneSolaStay® S1*3.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent
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 PURE1.50Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS MB1.60Co-emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 1.65Emulsifier
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Acrylates/C10-30 Alkyl Acrylate Crosspolymer 0.30Thickener (Aqueous)
EPotassium Hydroxide 1.51pH Adjuster
FGlycerin 3.00Humectant
Preservative a.n.Preservative
GCyclopentasiloxane 5.00Feel Modification / Enhancement
Aluminum Starch Octenylsuccinate 2.00Feel Modification / Enhancement

PREPARATIVE PROCEDURE

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.
3To the main vessel add the Water of phase D, start mixing, add the Disodium EDTA, then add the Pemulen ® TR-2, and heat this phase to 80°C.
4When both phases ABC and D are homogeneous and at designated temperatures, slowly add phase ABC to phase D with mixing.
5Start homogenizing intensively for 3 minutes and start cooling with continued homogenization. When the batch is at 55°C add phase E.
6Stop homogenizing and resume sweep mixing. Add phase F premix, mix well and then add phase G.
7When the batch is uniform add deionized water to correct for evaporative losses. Continue mixing until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance Off-white thick lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 9500 - 16500
pH 5.5 - 6.5
Stability (45°C) pass four 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: customerservice@hallstar.com Web Site: hallstar.com