Published on February 23, 2018 by Massey. Ralph (ralphmasseymd.com)
A study of the UV protection afforded by regular clothing showed that in general clothing gives better broad spectrum protection than sunscreen. You still need your sunscreen, especially for your face, but remember the easiest and often best way to protect you body and limbs is to simply cover up.
Journal of the American Academy of Dermatology
In Vitro Assessment of the Broad-Spectrum Ultraviolet Protection of Clothing
J Am Acad Dermatol
2018 Jan 06;[EPub Ahead of Print], EQ Coyne, MK Lichtman, J Simons, AK Sarkar, TM Rünger