This water-in-oil sunscreen lotion provides broad spectrum (SPF/PFA ≤ 3), label SPF 50 performance without using organic UV filters. HallBrite® BHB in HallBrite® EZ-FLO ZDX aids wetting and dispersion of the Zinc Oxide and contributes to enhanced product feel. This formula was subjected to in vitro analysis and delivered SPF ~53, PFA (PPD) ~18 (PA++++), performance with critical wavelength 379 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Palmitate | HallStar® OP | 10.00 | Carrier |
Ethylhexyl Olivate | Sensolene® | 5.00 | Multifunctional Emollient | |
Zinc Oxide [Zinc Oxide] (60%), Butyloctyl Salicylate, Triceteareth-4 Phosphate, Triethoxycaprylylsilane | HallBrite® EZ FLO ZDX | 15.00 | UV Filter/Sunscreen Agent / Carrier System | |
| Cetyl PEG/PPG-10/1 Dimethicone | 3.00 | Emulsifier | ||
| Dimethicone (50 cSt) | 6.00 | Emollient | ||
| B | Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) | 5.50 | UV Filter / Sunscreen Agent | |
| C | Sorbitan Olivate | Olivem® 900 | 1.00 | Emulsifier |
| Styrene/Acrylates Copolymer (hollow spherical, 325 nm) | 3.00 | SPF Booster | ||
| D | Water (Aqua) | up to 100 | Volatile Carrier | |
| Glycerin | 6.00 | Humectant | ||
| E | Disodium EDTA | 0.05 | Chelating Agent | |
| Xanthan Gum (pharma grade) | 0.20 | Thickener (Aqueous) | ||
| F | Preservative | a.n. | Preservative | |
| Aluminum Starch Octenylsuccinate | 2.00 | Deoiling Agent |
PREPARATIVE PROCEDURE
| 1 | To the main vessel, add phase A and start mixing. Add phase B and heat to 80°C. |
| 2 | Add phase C into phase AB and mix well until uniform. |
| 3 | To a secondary vessel add phase D, start mixing, then add phase E items in order and heat phase DE to 80°C. |
| 4 | When both phases are homogeneous at their designated temperature, start homogenizing phase ABC. |
| 5 | Very slowly add phase DE to phase ABC. |
| 6 | Start to cool to room temperature. When batch is below 50°C add phase F and continue mixing until uniform and at target temperature. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White lotion |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 4000 - 6500 |
*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