This water-in-oil sunscreen cream provides broad spectrum (SPF/PFA ≤ 3), label SPF 50 performance without using organic UV filters. HallBrite® BHB in HallBrite® EZ-FLO TDX aids wetting and dispersion of the Titanium Dioxide and contributes to enhanced product feel. This formula was subjected to in vitro analysis and delivered SPF ~56, PFA (PPD) ~17 (PA++++) performance with critical wavelength 373 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Palmitate | HALLSTAR® OP | 7.00 | Emollient |
| Ethylhexyl Olivate | SENSOLENE® | 4.00 | Multifunctional Lipid | |
| Cyclopentasiloxane, Disteardimonium Hectorite, Propylene Carbonate | 1.00 | Viscosity Increasing Agent (Nonaqueous) | ||
| Cetyl PEG/PPG-10/1 Dimethicone | 2.20 | Emulsifier | ||
| Dimethicone (5 cSt) | 6.00 | Feel Modification / Enhancement | ||
| Cyclopentasiloxane, Cyclohexasiloxane | 5.00 | Feel Modification / Enhancement | ||
| Cetyl Dimethicone | 1.00 | Skin Conditioning Agent | ||
| B | Butyloctyl Salicylate, Titanium Dioxide (nano) [Titanium Dioxide] (40%), Triceteareth-4 Phosphate, Dimethicone Crosspolymer, Silica | HALLBRITE® EZ-FLO TDX | 6.00 | UV Filter/Sunscreen Agent / Carrier System |
| Sorbitan Olivate | OLIVEM® 900 | 1.00 | Co-emulsifier | |
| C | Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (20-30 nm primary particle size) | 23.00 | UV Filter / Sunscreen Agent | |
| D | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Glycerin | 6.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Sodium Chloride | 1.00 | Emulsion Stabilizer | ||
| Preservative | a.n. | Preservative |
PREPARATIVE PROCEDURE
| 1 | To the main vessel add phase A and start mixing; disperse phase B into phase A and heat phase AB to 80°C. |
| 2 | In a secondary vessel combine phase D, mixing until fully incorporated and heating to 50°C. |
| 3 | When both phases are homogeneous, start homogenizing phase AB and very slowly add phase C to it. |
| 4 | After phase C is well dispersed, very slowly add phase D in phase ABC under homogenization. |
| 5 | Cool batch to room temperature with slowly continued homogenization. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | White cream |
| Viscosity (Brk, DVII, T-D, 20 rpm, after 24 h at room temperature; mPa∙s) | 18,000 - 25,000 |
*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