This water-in-oil sunscreen lotion provides broad spectrum in US, 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.
The formula was subjected to in vitro analysis and delivered SPF ~53, PFA (PPD) ~14, PA+++), performance with critical wavelength 374nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Palmitate | HALLSTAR® OP | 4.00 | Solvent |
| Zinc Oxide [Zinc Oxide] (60%), Butyloctyl Salicylate, Triceteareth-4 Phosphate, Triethoxycaprylylsilane | HALLBRITE® EZ FLO ZDX | 28.00 | UV Filter/Sunscreen Agent / Carrier System | |
| Cetyl PEG/PPG-10/1 Dimethicone | 2.50 | Emulsifier | ||
| Dimethicone (5 cSt) | 2.00 | Emollient | ||
| B | Sorbitan Olivate | Olivem® 900 | 1.00 | Emulsifier |
| C | Styrene/Acrylates Copolymer (hollow spherical, 325 nm) | 4.00 | SPF Booster | |
| D | Water (Aqua) | up to 100 | Volatile Carrier | |
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Glycerin | 4.00 | Humectant | ||
| Sodium Chloride | 1.00 | Emulsion Stabilizer | ||
| E | Preservative | a.n. | Preservative | |
| Silica (spherical, 12 µm) | 1.00 | 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 AB, and mix well until uniform. |
| 3 | To a secondary vessel add phase D, start mixing and heat this phase to 80°C. |
| 4 | When both phases are homogenous at their designated temperature, Start homogenizing phase ABC. |
| 5 | Very slowly add phase D to phase ABC. |
| 6 | Start to cool to room temperature. When less than 50°C, add phase E into phase ABCD and mix well. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White smooth lotion |
| Viscosity (Brk, DV II, Sp.20, RVTD, after 24h at room temperature; mPa∙s) | 18000 - 25000 |
*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