24-hour long-wearing brow mousse tints,tames,fills-in even the sparsest brows. Mini applicator brushes on natural-looking colour that resists smudging,sweat and humidity. Water-resistant,too. Ophthalmologist Tested. Allergy Tested. 100% Fragrance Free.Using short,tiny strokes and a light hand,brush mousse over brow hairs following the natural arch. Use tip of the wand to fill in sparse areas or to extend the ends of each brow.