A broad spectrum SPF 30 baby sunscreen lotion using ony non-nano mineral UV filters. Natural oils disperse zinc oxide and contribute to favorable esthetics. This composition was subjected to in vitro analysis and delivered SPF ~31, PFA (PPD) ~12 performance with critical wavelength 379 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Glycerin | 6.00 | Humectant | ||
| B | Tetrasodium EDTA | 0.02 | Chelating Agent | |
| Xanthan Gum (pharma grade) | 0.30 | Thickener (Aqueous) / Emulsion Stabilizer | ||
| Titanium Dioxide [Titanium Dioxide], Alumina, Silica | 9.50 | UV Filter / Sunscreen Agent | ||
| C | Helianthus Annuus (Sunflower) Seed Oil | 6.00 | Emollient | |
| Vitis Vinifera (Grape) Seed Oil | 5.00 | Emollient | ||
| Glyceryl Stearate | HALLSTAR® GMS PURE | 1.00 | Co-emulsifier | |
| Glyceryl Stearate Citrate | 1.50 | Emulsifier | ||
| D | Zinc Oxide (100-130 nm particle size) | 6.00 | UV Filter / Sunscreen Agent | |
| E | Tocopherol | BIOCHEMICA® VITAMIN E NATURAL | 0.30 | Anti-aging Agent |
| Preservative | a.n. | Preservative |
PREPARATIVE PROCEDURE
| 1 | To the main vessel add phase A, start mixing and add phase B items in order. |
| 2 | When phase B is fully incorporated heat phase AB to 75°C. |
| 3 | To a secondary vessel add phase C, start mixing and heat to 70°C. |
| 4 | Add phase D to phase C, mixing until well dispersed. |
| 5 | When both phases are homogeneous and at their designated temperatures, add phase CD to phase AB while homogenizing. |
| 6 | Continue homogenizing phase ABCD for 3 minutes, then switch to center-stir mixing and cool batch. |
| 7 | When batch is below 50°C add phase E items with mixing, replacing any water lost and mixing until smooth. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White smooth cream |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24 h at room temperature; mPa·s) | 10000 - 15000 |
| pH | 7 - 8 |
*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