This broad spectrum sunscreen lotion is Oxybenzone- and Octocrylene-free and uses SolaStay® S1 to mitigate the photocatalytic and reactive oxygen species generating activity of the oxide and to photostabilize Avobenzone and Octioxate via extremely rapid excited state quenching. The formula was subjected to in vitro analysis and delivered SPF ~60, PFA (PPD) ~27 performance with critical wavelength 382 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Caprylic/Capric Triglyceride | 3.00 | Sunscreen Solvent / Emollient | |
| Dicaprylyl Carbonate | 3.00 | Sunscreen Solvent / Emollient | ||
| Ethylhexyl Methoxycinnamate [Octinoxate] | 7.50 | UV Filter / Sunscreen Agent | ||
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 3.00 | Photostabilizer | |
| Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Sunscreen Solvent / Emollient | |
| B | 4-Methylbenzylidene Camphor [Enzacamene] | 4.00 | UV Filter / Sunscreen Agent | |
| Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) | 4.10 | UV Filter / Sunscreen Agent | ||
| C | VP/Eicosene Copolymer | 1.00 | Film Former | |
| Glyceryl Stearate | HALLSTAR® GMS PURE | 1.60 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 1.60 | Co-emulsifier | |
| Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides | 1.65 | 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 | |
| Cyclopentasiloxane | 5.00 | Feel Modification / Enhancement | ||
| Aluminum Starch Octenylsuccinate | 2.00 | Deoiling Agent |
| 1 | To a secondary vessel add phase A, start mixing and slowly add phase B components individually to phase A with continued mixing. |
| 2 | Heat phase AB to 85°C and then add phase C ingredients with mixing. Add phase D to phase ABC and mix until phase D is fully dissolved. |
| 3 | To the main vessel add water and Glycerin of phase E, start mixing, add the Disodium EDTA, then add Xanthan Gum and heat this phase to 80°C. |
| 4 | When both phases ABCD and EF are homogeneous and at designated temperatures, slowly add phase ABCD to phase EF with mixing. |
| 5 | Start homogenizing intensively for 3 minutess and start cooling. When the batch is < 50°C, add phase F ingredients one by one with mixing. |
| 6 | When the batch is uniform add deionized water to correct for evaporative losses. Continue mixing until smooth. |
| Appearance | Off-white to pale yellow lotion |
| Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 1500 - 3500 |
| pH | 5.0 - 6.0 |
*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
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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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