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Sunscreen Lotion SPF 40

This sunscreen lotion formulation is designed to provide U.S. broad spectrum (critical wavelength ≥ 370 nm) performance. HallBrite® BHB aids wetting and dispersion of the Titanium Dioxide and contributes to enhanced product feel. HallTress® DIBA Special and HallBrite® BHB contribute to UV filter solubility. This formulation was subjected to in vitro analysis and delivered SPF ~40, PFA (PPD) ~8 performance with critical wavelength 373 nm.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
AEthylhexyl Methoxycinnamate [Octinoxate] 4.00UV Filter / Sunscreen Agent
Dicaprylyl Carbonate 5.00Sunscreen Solvent
Butyloctyl SalicylateHALLBRITE® BHB*6.00Sunscreen Solvent / Emollient
Diisobutyl AdipateHALLTRESS® DIBA SPECIAL5.00Sunscreen Solvent / Emollient
BBenzophenone-3 [Oxybenzone] 4.00UV Filter / Sunscreen Agent
Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 4.20UV Filter / Sunscreen Agent
CVP/Eicosene Copolymer 1.00Film Former
Cetearyl AlcoholHALLSTAR® TA-1618 CETEARYL ALCOHOL0.50Emulsion Stabilizer
Glyceryl StearateHALLSTAR® GMS PURE2.00Emulsifier
PEG-100 StearateHALLSTAR® PEG 4400 MS2.00Emulsifier
Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides 2.00Emulsifier
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.30Thickener (Aqueous)
EPreservative a.n.Preservative
Glycerin 3.00Humectant
FSilica (spherical, 12 µm) 2.00Deoiling Agent

PREPARATIVE PROCEDURE

1In secondary vessel combine phase A and start mixing. Slowly add phase B individually with continued mixing.
2Heat this oil phase AB to 80°C and then add phase C ingredients individually with mixing.
3Add water of phase D into main vessel, dissolve Disodium EDTA with continue mixing, and then add Xanthan Gum, stirring until fully incorporated.
4Start heating this water phase D to 75°C and add premixed phase E with mixing.
5When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase DE with prop mixing.
6Homogenize combined phases for 3 minutes, resume prop mixing, start cooling and when batch is below 50°C add phase F, mixing well.
7Continue mixing until batch is at room temperature. Replace any water lost to evaporation, and mix until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance White lotion
Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa∙s) 2500 - 5500
pH 6.0 - 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