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Sunscreen Lotion SPF 50+

Formula Number: JZ7-54B

This sunscreen lotion 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 Special contribute to UV filter solubility and enhanced product feel while liquid crystal making self-emulsifier Olivem® 1000 contributes to a stable emulsion while imparting sensorial and physiological benefits. This formulation was subjected to in vitro analysis and delivered SPF ~ 60, PFA(PPD) ~ 50, 5 Stars UVA/UVB (0.967 – 0.951) performance with critical wavelength 380 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
POLYESTER-25SolaStay® P1*4.00Photostabilizer
Ethylhexyl Salicylate [Octisalate] 5.00UV Filter / Sunscreen Agent
Diisobutyl AdipateHALLTRESS® DIBA SPECIAL6.00Sunscreen Solvent
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 3.50UV Filter / Sunscreen Agent
CCetearyl AlcoholHALLSTAR® TA-1618 CETEARYL ALC0.50Emulsion Stabilizer
VP/Eicosene Copolymer 1.00Film Former
Glyceryl StearateHALLSTAR® GMS PURE2.00Emulsifier
Cetearyl Olivate, Sorbitan OlivateOLIVEM® 10003.00Self-Emulsifier / Liquid Crystal Maker
DButyl Methoxydibenzoylmethane [Avobenzone] 4.00UV Filter / Sunscreen Agent
EWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.25Thickener (Aqueous)
FPreservative a.n.Preservative
Glycerin 3.00Humectant

PREPARATIVE PROCEDURE

1To a secondary vessel add phase A and start mixing. Disperse phase B in phase A with continued mixing.
2Heat phase AB to 85°C and then add phase C with mixing.
3Add phase D to phase ABC, mixing well until phase D is fully dissolved.
4Add water of phase E to the main vessel, dissolve Disodium EDTA and, with contunied mixing, add Xanthan Gum, mixing until fully incorporated.
5Start heating phase E to 80°C and add premixed phase F.
6When both phases are homogeneous and at their designated temperatures, slowly add oil phase ABCD to water phase EF with prop mixing.
7Homogenize combined phases for 3 minutes and then resume prop mixing and start cooling batch.
8When batch is at room temperature, replace any water lost to evaporation and mix until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance Pale yellow thick lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 5500 - 9500
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