This water-in-oil sunscreen spray provides broad spectrum sun protection without using organic UV filters. HallBrite® BHB (Butyloctyl Salicylate) in HallBrite® EZ-FLO TDX contributes a very good dispersion for Titanium Dioxide. One person in vivo testing yielded static SPF 57.6 and PFA 23.4 in a US lab. In vitro analysis suggests SPF ~ 58, PFA (PPD) ~17, PA ++++, performance with critical wavelength 374 nm. Passed 2 hours water resistance in vitro testing.
Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
---|---|---|---|---|
A | Isopropyl Myristate | HALLSTAR® IPM-NF | 12.00 | Carrier |
Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, Silica | HALLBRITE® EZ-FLO TDX | 10.00 | UV Filter/Sunscreen Agent / Carrier System | |
Zinc Oxide, Dimethicone/Methicone Copolymer | 30.00 | UV Filter/Sunscreen Agent / Carrier System | ||
Cetyl Diglyceryl Tris(Trimethylsiloxy)silylethyl Dimethicone | 3.00 | Emulsifier | ||
B | Cyclopentasiloxane, Cyclohexasiloxane | 8.00 | Emollient | |
C | Sorbitan Olivate | OLIVEM® 900 | 0.50 | Co-emulsifier |
Silica (spherical, 12 µm) | 4.00 | Deoiling Agent | ||
Beeswax (Cera Alba) | 0.25 | Thickener (Nonaqueous) | ||
D | Water (Aqua) | up to 100 | Volatile Carrier | |
Glycerin | 8.00 | Humectant | ||
Disodium EDTA | 0.05 | Chelating Agent | ||
Sodium Chloride | 1.00 | Stabilizing Agent | ||
E | Caprylyl Glycol, Phenoxyethanol, Hexylene Glycol | 1.00 | Preservative | |
Alcohol (anhydrous) | 5.00 | Feel Modification / Enhancement |
1 | To the main Vessel, add phase A and start mixing. Add phase B with mixing. Start heat to 75°C. |
2 | Add phase C into phase AB, and mix well until uniform. |
3 | To a secondary vessel add phase D, start mixing until fully incorporated. Heat up to 70°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 < 50°C, add phase E into phase ABCD. |
Appearance | White thin lotion |
Viscosity (20 rpm, Brk, RVII, SP 4, after 24h at room temperature; mPa∙s): | 400 - 700 |
*Patented and Patent Pending
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