According to longtime partners (and founders behind Kiss My Face) Bob Macleod and Steve Byckiewicz, the brand's secret ingredient is "love." The couple has been together for nearly four decades and founded an all-natural, mostly vegan skincare line in the 1980s that's famous for its decadent range of products, like the Kiss My Face Sun Spray Sunscreen Lotion SPF 30 Sunblock ($18).