This biphasic sunscreen does not use an emulsifier and yet is stable. The combination of Hallstar Octyl Isononanoate, SolaStay S1, and HallBrite BHB helps optimize polarity,viscosity, and density to form two phases. In vivo testing in a US laboratory (5 subjects) yielded static SPF 37. We used Colipa Guidelines (2011) in our testing which delivered SPF~34 and PFA (PPD) ~11 performance. Critical wavelength = 375 nm. UVA1/UVA – 0.80. Importantly, the formulation contains neither oxybenzone nor octinoxate, which means itcomplies with the 2018 Hawaii sunscreen bill that goes into effect in 2021.
Hallstar Beauty is a leading provider of specialty chemistry solutions for skin care, sun care, color cosmetics, hair care, lip care and toiletries. Our extensive expertise in photostabilization science, oil-extracted, 100% vegetal eco-actives innovation, and functional naturals development sets us apart.
Hallstar’s global capabilities in product development, sales and manufacturing boast operations in the United States, Italy, France, China and Brazil, and benefit from the talented teams joining Hallstar from B&T, Oléos and Fortinbrás. Our product lines include the innovative technology from the well-known collections of those acquired brands.
In addition to hundreds of ready-made formulations, our experienced research and development team can work closely with you to develop innovative, custom solutions for your specific need.
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