This water-in-silicone sunscreen lotion provides broad spectrum sun protection without using organic UV filters. SolaStay® S1 (Ethylhexyl Methoxycrylene) in HallBrite® EZ-FLO TDX Plus mitigates the photocatalytic and reactive oxygen species-generating activities of the oxides. Six person in vivo testing yielded static SPF 73.4 in an EU lab. In vitro analysis delivered SPF ~68, PFA (PPD) ~20 performance with critical wavelength 374 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Isopropyl Myristate | HALLSTAR® IPM-NF | 8.00 | Emollient |
| Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (23%), C12-15 Alkyl Benzoate, Ethylhexyl Methoxycrylene, Triceteareth-4 Phosphate, Dimethicone Crosspolymer, Silica | HALLBRITE® EZ-FLO TDX PLUS* | 14.00 | UV Filter/Sunscreen Agent / Photostabilizer / Carrier System | |
| B | Sorbitan Olivate | OLIVEM® 900 | 1.00 | Co-emulsifier |
| Beeswax (Cera Alba) | 0.80 | Stabilizing Agent | ||
| Nylon-12 (10 μm) | 2.00 | Deoiling Agent | ||
| C | Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (20-30 nm primary particle size) | 20.00 | UV Filter / Sunscreen Agent | |
| D | Cyclopentasiloxane, Disteardimonium Hectorite, Propylene Carbonate | 2.00 | Viscosity Increasing Agent (Nonaqueous) | |
| Cetyl PEG/PPG-10/1 Dimethicone | 2.50 | Emulsifier | ||
| Cyclopentasiloxane, Cyclohexasiloxane | 15.00 | Feel Modification / Enhancement | ||
| E | Styrene/Acrylates Copolymer (hollow spherical, 325 nm) | 3.00 | SPF Booster | |
| F | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Glycerin | 6.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Sodium Chloride | 1.00 | Emulsion Stabilizer | ||
| G | Caprylyl Glycol, Phenoxyethanol, Hexylene Glycol | a.n. | Preservative |
| 1 | To the main vessel add phase A, start mixing, heat to 80°C and then add phase B. |
| 2 | When uniform, slowly add phase C to phase AB and when again uniform add premix of phase D, mixing well until uniform. |
| 3 | Add phase E to phase ABCD immediately before this oil phase will be combined with the water phase. |
| 4 | In a secondary vessel combine phase F, mixing until fully incorporated while heating to 75°C. |
| 5 | When both phases are homogeneous and at temperature, start homogenizing oil phase ABCDE and very slowly add water phase F to it. |
| 6 | Start cooling this batch to room temperature with continued gentle homogenization. |
| 7 | When batch is below 50°C add phase G. |
| Appearance | Off-white lotion |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24h at room temperature; mPa∙s) | 9,000 - 14,000 |
*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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