S.P.F (Sun Protection Facts) SPF 100 seems like it would be twice as effective as SPF 50, but in reality there is not a significant difference in protection. SPF 50 can be sufficient when reapplied as directed, and the proper amount is used. ☀️ . . . #hydropeptide #onthebrighttrack #healthyskin #cleanscience #clinicalresults #skincare #skintips #skineducation #skinfacts #sunscreen #spf #reefsafe #crueltyfree #beauty #skin #skincareroutine #summerskincare