Dr. Sheth's Ceramide & Vitamin C Sunscreen SPF 50+ PA+++ UVA UVB Sun Protection, For All Skin Types Dr. Sheth's Ceramide & Vitamin C Sunscreen Sunrays got you stressed?. This lightweight sunscreen sneaks up all of a sudden with a wide range SPF 50 PA+++, ceramides for obstruction fix, and lighting up L-ascorbic acid.