A broad spectrum sunscreen spray lotion in which polar sunscreen solvent HallBrite® BHB has 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) ~14 performance with critical wavelength 377 nm.
Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
---|---|---|---|---|
A | Water (Aqua) (deionized) | to 100 | Volatile Carrier | |
Disodium EDTA | 0.05 | Chelating Agent | ||
Xanthan Gum (pharma grade) | 0.25 | Thickener (Aqueous) | ||
B | Homosalate [Homosalate] | 7.00 | UV Filter / Sunscreen Agent | |
Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | ||
Ethylhexyl Olivate | SENSOLENE® | 3.00 | Sunscreen Solvent / Emollient | |
Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Sunscreen Solvent / Emollient | |
Octocrylene [Octocrilene] | 8.00 | UV Filter / Sunscreen Agent | ||
C | Butyl Methoxydibenzoylmethane [Avobenzone] | 3.00 | UV Filter / Sunscreen Agent | |
D | VP/Eicosene Copolymer | 1.50 | Film Former | |
Ceteareth-25, Disodium Ethylene Dicocamide PEG-15 Disulfate | 3.00 | Emulsifier / Dispersant | ||
Tri-C14-15 Alkyl Citrate | 1.50 | Conditioning Agent | ||
E | Water (Aqua) (deionized) | 9.60 | 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, 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 premixed phase F and then add phase G items with continued mixing. |
6 | Replace any water lost to evaporation and mix until smooth. |
Appearance | White thin liquid |
Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa∙s) | 900 - 1850 |
pH | 5.0 - 6.0 |
*Patented and Patent Pending
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