This oil-in-water sunscreen lotion provides broad spectrum sun protection. HallBrite® BHB (Butyloctyl Salicylate) in HallBrite® EZ-FLO ZDX contributes a very good dispersion for zinc oxide. This formula was subjected to in vitro analysis and delivered SPF ~31, PFA (PPD) ~7 performance with critical wavelength 373 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Water (Aqua) | up to 100 | Volatile Carrier | |
| Glycerin | 3.00 | Humectant | ||
| Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| B | Zinc Oxide [Zinc Oxide] (60%), Butyloctyl Salicylate, Triceteareth-4 Phosphate, Triethoxycaprylylsilane | HallBrite® EZ FLO ZDX | 20.00 | UV Filter/Sunscreen Agent / Carrier System |
| Olea Europaea (Olive) Fruit Oil, Hydrogenated Vegetable Oil | Biochemica® Olive Butter | 20.00 | Emollient | |
| Prunus Amygdalus Dulcis (Sweet Almond) Oil, Hydrogenated Vegetable Oil, Citrus Limon (Lemon) Peel Oil | Biochemica® Lemon Butter | 3.00 | Emollient / Natural Fragrance | |
| C | VP/Eicosene Copolymer | 1.00 | Film Former | |
| Glyceryl Stearate | HallStar® GMS Pure | 3.50 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 2.00 | Co-emulsifier | |
| Cetearyl Alcohol | HALLSTAR® TA-1618 CETEARYL ALCOHOL | 0.30 | Thickener (Nonaqueous) | |
| D | Caprylyl Glycol, Phenoxyethanol, Hexylene Glycol | 1.00 | Preservative | |
| Silica (spherical, 12 µm) | 1.50 | Deoiling Agent |
PREPARATIVE PROCEDURE
| 1 | To the main vessel add liquids of phase A, start mixing and disperse solids with strong mixing for 10-20 minutes. |
| 2 | Heat dispersion with gentle mixing to 75°C. |
| 3 | To a secondary vessel add phase B, start mixing and heat to 80°C. Add phase C and mix until uniform. |
| 4 | When both phases are homogeneous and at their designated temperatures, add phase BC to phase A. |
| 5 | Strong mix phase ABC for 3 minutes and then cool batch. |
| 6 | When batch is below 50°C add phase D with mixing, replace any water lost and mix until smooth. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White smooth lotion |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24 h at room temperature; mPa·s) | 13000 - 21000 |
| pH (as is) | 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 hallstarbeauty.com