This formulation base utilizes Hallstar’s elegant sunscreen solvent and emollient HallBrite® BHB to optimize solvent polarity. Triplet state-quenching polymeric photostabilizer Polycrylene® has been added, providing substantial additional photostabilization to the composition.
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Let’s Work Wonders®
Broad Spectrum Oil-in-Water Sunscreen Cream SPF 70
Formula Number: JZ11-73
This formulation was designed to provide broad spectrum (SPF/PFA <3), label SPF 70 performance. SolaStay® S1 [Ethylhexyl Methoxycrylene] provides very rapid and efficient quenching of excited-state avobenzone, protecting it from photodegradation. HallBrite® BHB is included to enhance spreadability and add an elegant emollience. In vitro analysis delivered SPF ~ 75, PFA (PPD) ~26, broad spectrum performance, with critical wavelength 379 nm. A China-compliant version of this formulation using photostabilizer AvoBrite® can be found here.
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