HYDROBRITE® 380 PO is a pharmaceutical-grade White Mineral Oil. Physically, it is a highly refined hydrophobic liquid characterized by a Specific Gravity of 0.860/0.873, a Refractive Index of 1.472/1.478, a Kinematic Viscosity of 70/90 mm²/s at 40°C, and a Flash Point of 250°C Min. In topical pharmaceuticals, it acts as an effective, high-purity emollient that forms an occlusive barrier over the stratum corneum to lock in skin moisture, passing strict USP limits for polycyclic aromatic hydrocarbons and solid paraffin to ensure safe dermatological use.