100% Smudge-proof (under normal conditions). Lengthens up to 50%. 12 Hour wear. Washes off easily. Flexi-roll brush provides root to tip application for up to 50% longer lashes; Won't wear off or smudge off for 12 hours (under normal conditions); Washes off easily with soap and water or eye makeup remover; Contact lens safe; Ophthalmologist tested. Made in U.S.A.