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Broad Spectrum Oil-in-Water Mineral SPF 50 Sunscreen Cream

A broad spectrum natural (mineral UV filters only) SPF 50 sunscreen cream. SolaStay® S1 is incorporated to mitigate the photocatalytic and reactive oxygen species generating activities of the oxides. This composition was subjected to in vitro analysis and delivered SPF ~54, PFA (PPD) ~20 performance with critical wavelength 378 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
APersea Gratissima (Avocado) OilBIOCHEMICA® AVOCADO OIL REFINED5.00Emollient
Aloe Barbadensis Leaf Extract, Canola OilBIOCHEMICA® BIOVERA ALOE OIL5.00Emollient
Butyrospermum Parkii (Shea) ButterBIOCHEMICA® SHEA BUTTER NATURAL0.50Emollient
Tocopheryl Acetate 0.30Antioxidant Agent
Butyloctyl SalicylateHALLBRITE® BHB*5.00Emollient
Ethylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 3.20UV Filter / Sunscreen Agent
Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (30-200 nm primary particle size) 8.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film Former / Water Resistance Enhancer
Glyceryl StearateHALLSTAR® GMS PURE2.60Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS MB2.00Emulsifier
DWater (Aqua) (deionized) up to 100Volatile Carrier
Glycerin 3.00Humectant
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
EGlyceryl Stearate a.n.Preservative
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80  0.75Viscosity Increasing Agent (Aqueous)
Cyclopentasiloxane 3.00Feel Modification / Enhancement
Aluminum Starch Octenylsuccinate 1.00Deoiling Agent

PREPARATIVE PROCEDURE

1To a secondary vessel add phase A and start mixing, add phase B and heat to 80°C.
2Add phase C into phase AB, mixing well until all are dissolved, and then homogenize for 3 minutes.
3To the main vessel add the Water of phase D, start mixing and add remaining phase items in order.
4When solids of phase D are fully incorporated, heat phase to 75°C.
5When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase D with prop mixing.
6After 5 minutes start cooling batch and when batch is < 50°C add premixed phase E and then phase F.
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 (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s)10000 - 18000
pH5.5 - 6.5

*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: customerservice@hallstar.com Web Site: hallstar.com