7 ESSENTIAL OILS: nourish hair with shea butter infused with 7 essential oils SOFT STYLE: defines and adds shine to natural curls, spirals, and waves IDEAL FOR: type 2 waves, type 3 curls, and type 4 coils NO HARSH INGREDIENTS: formulated without mineral oils, sulfates, parabens, silicones, phthalates, gluten, paraffin, or propylene. That's because the active ingredient works best while you sleep to stop perspiration all day. It won't wash off the next day, even after bathing or showering. Apply a small amount to completely dry underarm. Apply Certain Dri sparingly with just a few strokes under each arm. To reduce the risk of irritation, ensure underarms are completely dry before applying. For added deodorant protection, Certain Dri Everyday Strength Clinical antiperspirant + deodorant can also be reapplied in the morning for an extra layer of freshness and protection.