A broad spectrum natural (mineral UV filters only) SPF 50 sunscreen cream. SolaStay® S1 is incorporated to mitigate the photocatalytic and reactive oxygen species generating activities of the oxides. This composition was subjected to in vitro analysis and delivered SPF ~54, PFA (PPD) ~20 performance with critical wavelength 378 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Persea Gratissima (Avocado) Oil | BIOCHEMICA® AVOCADO OIL REFINED | 5.00 | Emollient |
| Aloe Barbadensis Leaf Extract, Canola Oil | BIOCHEMICA® BIOVERA ALOE OIL | 5.00 | Emollient | |
| Butyrospermum Parkii (Shea) Butter | BIOCHEMICA® SHEA BUTTER NATURAL | 0.50 | Emollient | |
| Tocopheryl Acetate | 0.30 | Antioxidant Agent | ||
| Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Emollient | |
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 2.00 | Photostabilizer | |
| B | Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) | 3.20 | UV Filter / Sunscreen Agent | |
| Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (30-200 nm primary particle size) | 8.00 | UV Filter / Sunscreen Agent | ||
| C | VP/Eicosene Copolymer | 1.00 | Film Former / Water Resistance Enhancer | |
| Glyceryl Stearate | HALLSTAR® GMS PURE | 2.60 | Emulsifier | |
| PEG-100 Stearate | HALLSTAR® PEG 4400 MS | 2.00 | Emulsifier | |
| D | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Glycerin | 3.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.20 | Thickener (Aqueous) | ||
| E | Glyceryl Stearate | a.n. | Preservative | |
| Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Isohexadecane, Polysorbate 80 | 0.75 | Viscosity Increasing Agent (Aqueous) | ||
| Cyclopentasiloxane | 3.00 | Feel Modification / Enhancement | ||
| Aluminum Starch Octenylsuccinate | 1.00 | Deoiling Agent |
| 1 | To a secondary vessel add phase A and start mixing, add phase B and heat to 80°C. |
| 2 | Add phase C into phase AB, mixing well until all are dissolved, and then homogenize for 3 minutes. |
| 3 | To the main vessel add the Water of phase D, start mixing and add remaining phase items in order. |
| 4 | When solids of phase D are fully incorporated, heat phase to 75°C. |
| 5 | When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase D with prop mixing. |
| 6 | After 5 minutes start cooling batch and when batch is < 50°C add premixed phase E and then phase F. |
| 7 | Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth. |
| Appearance | Off-white cream |
| Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 10000 - 18000 |
| 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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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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