This oil in water sunscreen lotion utilizes elegant emollient and sunscreen solvent HallBrite® BHB to help solubilize Avobenzone and strong photostabilizer SolaStay® S1 combined with Polycrylene® to photostabilize it, delivering broad spectrum sun protection. Olivem® LV Flex provides a light sensorial impact to the formula. This composition was subjected to in vitro analysis and delivered SPF ~32, PFA (PPD) ~17 performance with critical wavelength 379 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Water (Aqua) (deionized) | up to 100 | Volatile Carrier | |
| Butylene Glycol | 3.00 | Humectant | ||
| Disodium EDTA | 0.05 | Chelating Agent | ||
| Acrylates/C10-30 Alkyl Acrylate Crosspolymer | 0.20 | Thickener (Aqueous) | ||
| B | Homosalate [Homosalate] | 7.00 | UV Filter / Sunscreen Agent | |
| Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | ||
| Polyester-8 | POLYCRYLENE®* | 2.00 | Photostabilizer | |
| Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Sunscreen Solvent / Emollient | |
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 2.00 | Photostabilizer | |
| C | Butyl Methoxydibenzoylmethane [Avobenzone] | 3.00 | UV Filter / Sunscreen Agent | |
| D | VP/Hexadecene Copolymer | 2.00 | Film Former | |
| PEG-8 Stearate, Glyceryl Stearate, Cetearyl Alcohol, Sorbitan Oleate | OLIVEM® LV FLEX | 3.00 | Self-Emulsifier / Liquid Crystal Maker | |
| E | Potassium Hydroxide | 1.00 | pH Adjuster | |
| Preservative | a.n. | Preservative | ||
| Cyclopentasiloxane | 2.00 | Feel Modification / Enhancement | ||
| Aluminum Starch Octenylsuccinate | 2.00 | Deoiling Agent |
| 1 | To the main vessel add the liquids of phase A, start mixing, add the remaining phase A ingredients in order, and heat to 75°C. |
| 2 | To a secondary vessel add phase B, start mixing, add phase C, heat to 75°C, add phase D items and then add phase E with mixing. |
| 3 | With both phases at 70°C, add phase BCDE 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 phase F one by one and mix well. |
| 5 | Replace any water lost to evaporation and mix until smooth. |
| Appearance | Off white thin liquid |
| Viscosity (Brk, RVDV-II, Sp 4, 20 rpm, after 24 h at room temperature; mPa∙s) | 2000 - 2800 |
| 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
The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA
Tel.: 877 427 4255 (International n.: +1 312 385 4494) - Fax: +1 330 929 3616 - E-mail: customerservice@hallstar.com Web Site: hallstar.com
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