A broad spectrum natural (using only microfine oxide UV filters) sunscreen lotion. 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 ~55, PFA (PPD) ~24 performance with critical wavelength 378 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Caprylic/Capric Triglyceride | 10.00 | Emollient | |
| Aloe Barbadensis Leaf Extract, Canola Oil | BIOCHEMICA® BIOVERA ALOE OIL | 1.00 | Emollient | |
| Butyrospermum Parkii (Shea) Butter | BIOCHEMICA® SHEA BUTTER NATURAL | 0.50 | Emollient | |
| Tocopheryl Acetate | 0.50 | Antioxidant Agent | ||
| Butyloctyl Salicylate | HALLBRITE® BHB* | 4.00 | Emollient | |
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 1.70 | 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 | Cetyl PEG/PPG-10/1 Dimethicone | 4.00 | Emulsifier | |
| Sorbitan Olivate | OLIVEM® 900 | 2.00 | Co-emulsifier | |
| D | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
| E | Preservative | a.n. | Preservative | |
| Glycerin | 3.00 | Humectant | ||
| F | Cyclopentasiloxane | 2.50 | Emollient | |
| Cyclopentasiloxane, C30-45 Alkyl Cetearyl Dimethicone Crosspolymer | 2.50 | Emollient |
PREPARATIVE PROCEDURE
| 1 | To a secondary vessel add phase A and start mixing, disperse phase B , heat to 80°C. |
| 2 | Add phase C into phase AB, and mix well until all are dissolved. homogenizing for 3 min |
| 3 | To the main vessel add the Water of phase D, start mixing, add the Disodium EDTA, then add Xanthan Gum stirring until fully incorporated. Start heating to 75°C |
| 4 | When both phases are homogeneous and at their designated temperatures, slowly add the oil phase ABC to the water phase D with prop mixing for 5 min. Start cooling. Add premix of phase E when < 50C |
| 5 | Contiune mixing until room temperature. Replace any water lost to evaporation, and mix until smooth |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White Cream |
| Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) | 11500 - 18500 |
*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
The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA hallstarbeauty.com