Thinksport was the first sunscreen to pass whole foods premium care requirements. Free of biologically harmful chemicals. No avobenzone, oxybenzone, or uv chemical absorbers. Spf 30 (non-nano zinc oxide). Broad-spectrum uva and uvb protection (highest level defined by proposed fda 2012 monograph). Highest level of water resistance (80 minutes) (highest level defined by proposed fda 2012 monograph). Mineral-based – zinc oxide 20%.