The epidermis is the outermost skin layer. Its thickness depends on where it is on the body. It's thinnest on the eyelids (roughly half a millimeter) and thickest on your palms and soles (1.5 ...
"However, the UVA rays that penetrate glass actually reach a deeper layer of skin and still cause sun damage, discoloration, and wrinkles," Batra says. Some windows are more protective than others ...