The Naturist Society Foundation has got you covered with Solar Defense. PABA, Oil, and Fragrance Free • Blocks UVA and UVB rays • Water and Sweatproof. Available in SPF 35—4 oz.
“My wife & I used Solar defense for eight days when floating down the Grand Canyon nude with 25 others, and nobody got burned. This stuff is fantastic! We put it on once each morning, and were good through the evening.” — Mark Storey