This mineral UV filters-only oil-in-water global sunscreen lotion formulation was designed to provide broad spectrum (SPF/PFA ≤3) label SPF 50+ performance. HallBrite® BHB (Butyloctyl Salicylate) in HallBrite® EZ-FLO TDX, in combination with Hallstar® Octyl Isononanoate, and Biochemica® Shea Butter, enhances product feel. It was subjected to in vitro analysis and delivered SPF ~60, PFA (PPD) ~24 performance with critical wavelength 380 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Isononanoate | HALLSTAR® OCTYL ISONONANOATE | 10.00 | Emollient |
| Butyrospermum Parkii (Shea) Butter | BIOCHEMICA® SHEA BUTTER REFINED | 0.30 | Emollient | |
| Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, Silica | HALLBRITE® EZ-FLO TDX | 10.00 | UV Filter/Sunscreen Agent / Carrier System | |
| B | VP/Eicosene Copolymer | 2.00 | Film Former | |
| Glyceryl Stearate | HALLSTAR® GMS PURE | 2.60 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 2.40 | Co-emulsifier | |
| C | Zinc Oxide [Zinc Oxide], Silica (10-30 nm primary particle size) | 12.00 | UV Filter / Sunscreen Agent | |
| D | Styrene/Acrylates Copolymer (hollow spherical, 325 nm) | 3.00 | SPF Booster | |
| E | Water (Aqua) | up to 100 | Volatile Carrier | |
| Glycerin | 3.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
| F | Caprylyl Glycol, Phenoxyethanol, Hexylene Glycol | a.n. | Preservative | |
| Cyclopentasiloxane | 6.00 | Emollient | ||
| Aluminum Starch Octenylsuccinate | 3.00 | Deoiling Agent |
| 1 | To a secondary vessel add phase A and start mixing and heat to 80°C. Add phase B, and then slowly add phase C. |
| 2 | To the main vessel add the liquids of phase E, start mixing and add remaining phase items in order. |
| 3 | When solids of phase E are fully incorporated, heat phase to 75°C. |
| 4 | When both phases are homogeneous and at their designated temperatures, add phase D to phase ABC and mix until uniform. |
| 5 | Slowly add phase ABCD to phase E with strongly mixing. |
| 6 | Homogenize for 3 minutes and start cooling. when batch is < 50°C add phase F one by one with mixing. |
| 7 | Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth. |
| Appearance | White smooth lotion |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 5500 - 8500 |
| pH | 6.5 - 7.5 |
*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
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