This formulation was designed to provide broad spectrum (SPF/PFA ≤3) performance. SolaStay® S1 (Ethylhexyl Methoxycrylene) in HallBrite® EZ-FLO TDX Plus and HallBrite® ISO mitigate the photocatalytic and reactive oxygen species generating activities of Titanium Dioxide and extremely rapidly and efficiently quench the excited states of Avobenzone, protecting it from photodegradation and so improve sunscreen performance. HallBrite® BHB in HallBrite® EZ-FLO TDX Plus aids wetting and dispersion of the Titanium Dioxide and contributes to UV filter solubility and enhanced product feel. One person in vivo testing yielded static SPF 40, PFA 19 in a US lab, SPF 48.4, PFA 16 in a Korean lab. In vitro SPF 45, PFA 16 with critical wavelength 380 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Octyldodecyl Methoxycrylene | 私密內容: HALLBRITE® ISO* | 3.00 | Photostabilizer |
| Ethylhexyl Methoxycinnamate [Octinoxate] | 7.50 | UV Filter / Sunscreen Agent | ||
| B | 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* | 17.00 | UV Filter/Sunscreen Agent / Photostabilizer / Carrier System |
| C | Cetearyl Alcohol | HALLSTAR® TA-1618 CETEARYL ALCOHOL | 0.50 | Thickener (Nonaqueous) |
| VP/Eicosene Copolymer | 1.00 | Film Former | ||
| Glyceryl Stearate | HALLSTAR® GMS PURE | 1.35 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 1.00 | Emollient / Fragrance | |
| Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides | 2.00 | Emulsifier | ||
| D | Butyl Methoxydibenzoylmethane [Avobenzone] | 3.00 | UV Filter / Sunscreen Agent | |
| E | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Glycerin | 3.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
| F | Preservative | a.n. | Preservative | |
| Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80 | 2.00 | Thickener (Aqueous) | ||
| Cyclopentasiloxane | 4.00 | Feel Modification / Enhancement | ||
| Aluminum Starch Octenylsuccinate | 2.00 | Deoiling Agent |
| 1 | To a secondary vessel add phase A, start mixing and disperse phase B in phase A with continue mixing. |
| 2 | Heat phase AB to 85°C, add phase C with mixing, then add phase D, mixing until dissolved. |
| 3 | Add Water and Glycerin of phase E to the main vessel, dissolve EDTA with mixing and then add Xanthan Gum, stirring until fully incorporated. |
| 4 | Heat phase E to 80°C and when both phases are homogeneous and at their designated temperatures, slowly add oil phase ABCD to water phase E with prop mixing. Homogenize batch for 3 minutes, resume prop mixing, and start cooling to room temperature. |
| 5 | When batch is < 40°C, add phase F ingredients one by one with mixing. Replace any water lost to evaporation and mix until smooth. |
| Appearance | Pale yellow cream |
| Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 15000 - 20000 |
| pH | 5.5 - 6.5 |
*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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