This sunscreen formulation, in a convenient, user-friendly stick form, is designed to provide broad spectrum (SPF/PFA ≤ 3), SPF 50 performance. SolaStay® S1 from Hallstar provides photostabilization for Avobenzone, while HallBrite® BHB contributes to enhanced product feel.
In vivo testing in a Korean lab yielded static SPF 55 and PFA 19. This composition was also subjected to in vitro analysis and delivered SPF ~54, PFA (PPD) ~17 (PA++++) performance with critical wavelength 375 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Vitis Vinifera (Grape) Seed Oil | 25.00 | Emollient | |
| Octocrylene [Octocrilene] | 10.00 | UV Filter / Sunscreen Agent | ||
| Homosalate [Homosalate] | 10.00 | UV Filter / Sunscreen Agent | ||
| Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | ||
| Ethylhexyl Methoxycrylene | SolaStay® S1* | 3.00 | Photostabilizer | |
| Butyloctyl Salicylate | HALLBRITE® BHB* | 5.00 | Sunscreen Solvent / Emollient | |
| B | Butyl Methoxydibenzoylmethane [Avobenzone] | 3.00 | UV Filter / Sunscreen Agent | |
| C | Sorbitan Olivate | OLIVEM® 900 | 9.00 | Stabilizing Agent |
| Beeswax (Cera Alba) | 25.00 | Stabilizing Agent | ||
| Nylon-12 | 5.00 | Deoiling Agent |
| 1 | Add phase A ingredients to main vessel and begin mixing and heating to 85°C. |
| 2 | When above 50°C, add phase B . |
| 3 | Add phase C ingredients with continued mixing until homogenous and begin to cool. |
| 4 | Pour into packaging at 65-70°C. |
| Appearance | Yellow soft stick |
*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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