Butter Lovin’ Shea and Lemon TiO2 SPF 30 Sunscreen Stick
This formulation was designed to provide SPF 30 performance using only HallBrite® EZ-FLO TDX to deliver UV filter content. It is water-resistant, preservative-free, and can be customized with natural butters and oils. For this sunscreen stick, Biochemica® Shea Butter HMP was combined with Biochemica® Lime Butter to soften, moisturize and rejuvenate skin, and contribute a lovely, fresh fragrance.
One person in vivo testing yielded static SPF 40.2 in a U.S. lab. In vitro analysis and delivered SPF ~40, PFA (PPD) ~8 performance with critical wavelength 375 nm.