Depend is an ultra-stylish nail polish that allows 30% oxygen to enter the nail. Use a paint brush and apply it to your nails. Use the cursor on the bottle to see if the color gives you full or half coverage, and still needs more layers. A new formula allows oxygen to enter the nails better than regular nail polish.It has a positive effect on the quality of your natural nails. Comes with a wide flat brush and is extremely flexible. Free of Toluene, Formaldehyde and DBP (Dibutyl Phthalate) "