Herbivore Moon Fruit Sleep Mask new in box. A Retinol Alternative. A skin smoothing sleep mask powered by 1% Bakuchiol, a natural alternative to retinol, that visibly reduces the look of fine lines and wrinkles. Antioxidant-rich Superfruits lock in moisture to protect against water loss that occurs overnight. Wake up to hydrated, smooth skin. How to use: At night, apply an even layer to cleansed skin. Use after or instead of moisturizer. Leave on overnight and rinse in the morning. Recommended for: Moon Fruit is suitable for all skin types