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Sunscreen Cream SPF 50

Formula Number: JZ7-65

This sunscreen cream formulation was designed to provide superb broad spectrum (SPF/PFA <<3) label SPF 50 performance. SolaStay® S1 and SolaStay® P1 provide very rapid and efficient excited state quenching of Avobenzone, protecting it from photodegradation and so improve sunscreen performance. They also mitigate the photocatalytic and reactive oxygen species generating activities of Titianium Dioxide. HallBrite® BHB and HallTress® DIBA contribute to UV filter solubility and enhanced product feel. Olivem® liquid crystal making emulsifiers provide a stable emulsion while imparting sensorial and physiological benefits. This formulation was subjected to in vitro analysis and delivered SPF ~ 55, PFA(PPD) ~ 48, 5 Stars UVA/UVB (0.97 – 0.98) performance with critical wavelength 381 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*2.20Photostabilizer
POLYESTER-25SolaStay® P1*3.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Diisobutyl AdipateHALLTRESS® DIBA SPECIAL6.00Sunscreen Solvent
BTitanium Dioxide [Titanium Dioxide] 3.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 2.00Film Former
Cetearyl Olivate, Sorbitan OlivateOLIVEM® 10003.00Self-Emulsifier / Liquid Crystal Maker
Cetearyl Alcohol, Cetyl Palmitate, Sorbitan Palmitate, Sorbitan OleateOLIVEM® VS FEEL2.00Co-emulsifier / Liquid Crystal Maker
DButyl Methoxydibenzoylmethane [Avobenzone] 4.50UV Filter / Sunscreen Agent
EWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
FPreservative a.n.Preservative
Glycerin 3.00Humectant

PREPARATIVE PROCEDURE

1In a secondary vessel combine phase A, start mixing and slowly add phase B ingredients in order.
2Heat this oil phase AB to 75°C and then add phase C ingredients in order with continued mixing, add phase D after homogeneous.
3Add water of phase E to the main vessel, dissolve the Disodium EDTA and, with continued mixing, add the Xanthan Gum.
4When the Xanthan Gum is fully incorporated, start heating this water phase E to 75°C and add premixed phase E.
5When both phases are homogeneous and at their designated temperatures, slowly add oil phase ABCD to water phase E with prop mixing.
6Homogenize combined phases for 3 minutes and then resume prop mixing and start cooling batch. Add premix phase F after < 45°C.
7When batch is at room temperature, replace any water lost to evaporation and mix until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance Pale yellow cream
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 18000 - 30000
pH 4.0 - 5.0

*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