This sunscreen lotion is designed to meet US FDA requirements for broad spectum sun protection. SolaStay® S1 is incorporated to mitigate the photocatalytic activity of the oxide. This composition was subjected to in vitro analysis and delivered SPF ~45, PFA (PPD) ~13 performance with critical wavelength 378 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Butylene Glycol | 3.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.30 | Thickener (Aqueous) | ||
| Microcrystalline Cellulose, Cellulose Gum | 1.50 | Thickener (Aqueous) | ||
| B | Caprylic/Capric Triglyceride | 5.00 | Emollient | |
| Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | ||
| Ethylhexyl Methoxycinnamate [Octinoxate] | 6.00 | UV Filter / Sunscreen Agent | ||
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 3.00 | Photostabilizer | |
| C | Zinc Oxide [Zinc Oxide] (30-200 nm primary particle size) | 10.00 | UV Filter / Sunscreen Agent | |
| D | Sorbitan Olivate | OLIVEM® 900 | 1.00 | Co-emulsifier |
| Cetearyl Olivate, Sorbitan Olivate | OLIVEM® 1000 | 4.00 | Self-Emulsifier / Liquid Crystal Maker | |
| E | Preservative | a.n. | Preservative | |
| Cyclopentasiloxane | 3.00 | Volatile Carrier |
| 1 | To a secondary vessel add the liquids of phase A, start mixing, add the powders of phase A in order, and heat to 75°C. |
| 2 | To the main vessel, add phase B, start mixing, add phase C to phase B and heat phase BC to 75°C. |
| 3 | Add phase D to phase BC with mixing and, after dissolved, slowly add phase A to phase BCD, mixing well. |
| 4 | Homogenize phase ABCD for 3 minutes, start cooling and add phase E when bartch is below 50°C. |
| 5 | Contiune mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth. |
| Appearance | Very shiny and soft cream, good spreadability, nourishing after-feel. |
| Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) | 6000 - 9000 |
| pH | 7.0 - 8.0 |
*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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