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Sunscreen Lotion SPF 50

Formula Number: JZ7-127

This U.S.-focused sunscreen lotion formulation was designed to provide broad spectrum (SPF/PFA ≤ 3) SPF 50 performance. SolaStay® S1 and SolaStay® P1 provide very rapid quenching of the excited states of Avobenzone, protecting it from photodegradation and so improving sunscreen performance. Olivem® 1000 and Olivem® VS Feel constitute the elegant base upon which a stable emulsion with sensorial and physiological benefits was delivered. Sensolene®, HallBrite® BHB and HallTress® DIBA Special contribute to UV filter solubility and enhance product spreadability and feel. This formulation was subjected to in vitro analysis and delivered SPF ~52, PFA (PPD) ~21 performance with critical wavelength 377 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
POLYESTER-25SolaStay® P1*4.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Homosalate [Homosalate] 15.00UV Filter / Sunscreen Agent
Diisobutyl AdipateHALLTRESS® DIBA SPECIAL4.00Sunscreen Solvent
Ethylhexyl OlivateSENSOLENE®2.00Multifunctional Lipid
BButyl Methoxydibenzoylmethane [Avobenzone] 3.00UV Filter / Sunscreen Agent
Benzophenone-3 [Oxybenzone] 6.00UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film 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
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.20Thickener (Aqueous)
EPreservative a.n.Preservative
Glycerin 4.00Humectant

PREPARATIVE PROCEDURE

1In a secondary vessel combine phase A and starting mixing. Slowly add phase B ingredients individually with continued mixing.
2Heat this oil phase AB to 85°C and then add phase C ingredients individually with continued mixing.
3Add water of phase D to the main vessel, dissolve the Disodium EDTA and, with continued mixing, add Xanthan Gum, mixing until fully incorporated.
4Start heating this water phase D to 80°C and add premixed phase E with mixing.
5When both phases are homogeneous and at their designated temperatures, slowly add oil phase ABC to water phase DE with prop mixing.
6Homogenize combined phases for 3 minutes and then resume prop mixing and start cooling to the room temperature.
7When batch is at room temperature, replace any water lost to evaporation and mix until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance Pale yellow lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 4500 - 7500
pH 4.5 - 5.5

*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