A three-year odyssey backpacking around the world (the trip included several shamans, not to mention seven months of living out of her car in Africa) gave New York/L.A.–based nutritionist and yoga instructor Kimberly Snyder a fresh perspective on health and beauty. "These women would look so amazing—and everything they used was natural, and it changed my philosophy." Here, Snyder's personal all-natural must-haves: