A broad spectrum sunscreen spray lotion in which polar sunscreen solvents HallBrite® BHB and HallTress® DIBA Special have been used to help keep the formulation from losing effectiveness during sun exposure and in which Eurol® BT provides additional benefit. This composition was subjected to in vitro analysis and delivered SPF ~35, PFA (PPD) ~15 performance with critical wavelength 375 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
| B | Homosalate [Homosalate] | 10.00 | UV Filter / Sunscreen Agent | |
| Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | ||
| C12-15 Alkyl Benzoate | 5.00 | Sunscreen Solvent | ||
| Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Sunscreen Solvent / Emollient | |
| Octocrylene [Octocrilene] | 3.00 | UV Filter / Sunscreen Agent | ||
| Diisobutyl Adipate | HALLTRESS® DIBA SPECIAL | 3.00 | Sunscreen Solvent | |
| C | Butyl Methoxydibenzoylmethane [Avobenzone] | 3.00 | UV Filter / Sunscreen Agent | |
| Benzophenone-3 [Oxybenzone] | 4.00 | UV Filter / Sunscreen Agent | ||
| D | VP/Eicosene Copolymer | 1.50 | Film Former | |
| Ceteareth-25, Disodium Ethylene Dicocamide PEG-15 Disulfate | 3.00 | Texturizing Agent | ||
| Tri-C14-15 Alkyl Citrate | 1.50 | Carrier | ||
| E | Water (Aqua) (deionized) | 9.60 | Volatile Carrier | |
| Microcrystalline Cellulose, Cellulose Gum | 0.40 | Thickener (Aqueous) | ||
| F | Preservative | a.n. | Preservative | |
| Glycerin | 3.00 | Humectant | ||
| G | Cyclopentasiloxane | 2.00 | Feel Modification / Enhancement | |
| Olea Europaea (Olive) Leaf Extract, Water | EUROL® BT | 0.20 | Multifunctional Active Ingredient |
| 1 | To the main vessel add the Water of phase A, start mixing, add the remaining phase A ingredients in order, and heat to 70°C. |
| 2 | To a secondary vessel add phase B, start mixing, add phase C items, heat to 70°C, and then add phase D items. |
| 3 | With both phases at 70°C, add phase BCD to phase A with stirring. After mixing for 5 min, start cooling and homogenize for 3 min. |
| 4 | Resume mixing while cooling and, at 50°C or lower, very slowly add previously prepared phase E dispersion. |
| 5 | After mixing 20 minutes, add phase F premix and then add phase G items with continued mixing. |
| 6 | Replace any water lost to evaporation and mix until smooth. |
| Appearance | White Fluid liquid |
| Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa∙s) | 1250 - 2150 |
| pH | 5.5 - 6.5 |
*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
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