... -Touch SUNBLOCKUltra Sheer Dry-Touch Sunblock SPF 30/50 combined UVA/UVB protection. SPF measures UVB burning rays* , while PFA measures ... skin-aging UVA rays. Ultra Sheer Dry-Touch Sunblock SPF 30/50 will ... protect the skin from sunburn damage, it also provides better UVA protection. Infused with a light, fresh scent, this elegant formulation ...