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Broad Spectrum Oil-in-Water Sunscreen Cream SPF 70

This China-compliant formulation was designed to label SPF 70 performance. AvoBrite® provides efficient quenching of excited-state Avobenzone, protecting it from photodegradation. HallBrite® BHB is included to enhance spreadability and contribute to elegant emollience. In vitro analysis delivered SPF ~ 75, PFA (PPD) ~24, broad spectrum performance, with critical wavelength 379 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AHomosalate [Homosalate] 9.00UV Filter / Sunscreen Agent
Octocrylene [Octocrilene] 9.00UV Filter / Sunscreen Agent
Ethylhexyl Salicylate [Octisalate] 4.50UV Filter / Sunscreen Agent
Acrylates CopolymerAvoBrite™*5.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent
BBenzophenone-3 [Oxybenzone] 4.50UV Filter / Sunscreen Agent
Butyl Methoxydibenzoylmethane [Avobenzone] 3.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 0.70Film Former
Glyceryl StearateHALLSTAR® GMS PURE1.60Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS MB1.10Co-emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 2.50Emulsifier
DStyrene/Acrylates Copolymer (hollow spherical, 325 nm) 3.50SPF Booster
EWater (Aqua) up to 100Volatile Carrier
Butylene Glycol 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.10Thickener (Aqueous)
FSodium Polyacrylate 0.20Stabilizing Agent
GCaprylyl Glycol, Phenoxyethanol, Hexylene Glycol 0.80Preservative
Cyclopentasiloxane, Cyclohexasiloxane 4.00Emollient
Silica (spherical, 12 µm) 2.00Deoiling Agent

PREPARATIVE PROCEDURE

1To a secondary vessel add phase A and start mixing. Add phase B and heat to 80°C and then add phase C. Before combining with water, add phase D and mix well.
2To the main vessel add liquids of phase E, start mixing and add remaining phase items in order.
3When solids of phase E are fully incorporated, heat phase to 75°C and add phase F.
4When both phases are homogeneous and at their designated temperatures, slowly add phase ABCD to phase EF with prop mixing.
5Start homogenizing phase ABCDEF for 3 minutes, then switch to center mixing.
6Start cooling batch and when batch is < 50°C add phase G items one by one with mixing.
7Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth.

PRODUCT CHARACTERISTICS (25°C)

AppearanceOff white cream
Viscosity (20 rpm, Brk, RVII, SP 4, after 24h at room temperature; mPa∙s):20000 - 33000
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: customerservice@hallstar.com Web Site: hallstar.com