Description:
This Broad Spectrum SPF 50 Sunscreen Lotion provides broad spectrum (SPF/PFA =3), label SPF 50 performance. SolaStay® S1 imparts very rapid and efficient excited state quenching of avobenzone, protecting it from photodegradation. HallBrite® BHB contributes to UV filter solubility and enhances product feel. This formulation was subjected to in vitro analysis and delivered SPF ~ 50, PFA ~ 17 performance with critical wavelength 378 nm.
A formulation by Hallstar.