This globally-accepted, lightweight, non-nano zinc oxide sunscreen with SPF 30 uses only highly-dispersible HallBrite® EZ-FLO ZDX to provide good UV protection without any whitening.
The formula was subjected to in vitro analysis and delivered SPF ~33, PFA (PPD) ~12 performance with critical wavelength 378 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Isononanoate | HALLSTAR® OCTYL ISONONANOATE | 10.00 | Emollient |
| Zinc Oxide [Zinc Oxide] (60%), Butyloctyl Salicylate, Triceteareth-4 Phosphate, Triethoxycaprylylsilane | HALLBRITE® EZ FLO ZDX | 14.00 | UV Filter/Sunscreen Agent / Carrier System | |
| Acrylates Copolymer | AvoBrite®* | 4.50 | Photostabilizer | |
| B | VP/Eicosene Copolymer | 1.00 | Film Former | |
| Glyceryl Stearate | HALLSTAR® GMS PURE | 1.00 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 2.45 | Co-emulsifier | |
| Butyrospermum Parkii (Shea) Butter | BIOCHEMICA® SHEA BUTTER REFINED | 0.40 | Emollient | |
| C | Styrene/Acrylates Copolymer (hollow spherical, 325 nm) | 4.00 | SPF Booster | |
| D | Water (Aqua) | up to 100 | Volatile Carrier | |
| Glycerin | 4.00 | Humectant | ||
| Polysorbate 20 | 1.00 | Emulsifier | ||
| Tetrasodium EDTA | 0.02 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.20 | Thickener (Aqueous) | ||
| E | Caprylyl Glycol, Phenoxyethanol, Hexylene Glycol | a.n. | Preservative | |
| Cyclopentasiloxane, Cyclohexasiloxane | 3.00 | Emollient | ||
| Silica (spherical, 12 µm) | 3.00 | Deoiling Agent | ||
| Polyacrylamide, C13-14 Isoparaffin, Laureth-7 | 0.50 | Thickener (Aqueous) / Emulsion Stabilizer |
| 1 | To a secondary vessel add phase A and start mixing, heat to 80°C, and then add phase B. Add phase C before combining with water phase. |
| 2 | To the main vessel add the Water and Glycerin of phase D, start mixing and add remaining phase items in order. |
| 3 | When solids of phase D are fully incorporated, heat phase to 75°C. |
| 4 | When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase D with prop mixing. |
| 5 | After 5 minutes start cooling batch and when batch is below 50°C add phase E items one by one with mixing |
| 6 | Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth. |
| Appearance | Off white lotion |
| Viscosity (Brk, RVD-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) | 3000 - 4500 |
| pH (as is) | 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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Tel.: 877 427 4255 (International n.: +1 312 385 4494) - Fax: +1 330 929 3616 - E-mail: customerservice@hallstar.com Web Site: hallstar.com
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