Apply the sticker on Clean skin. Then gently squeeze henna paste or tattoo paints on the cut-out area. Use q-tip or disposable lip brush to spread the henna paste or tattoo paints on the cut-out properly. Wait until the paint is totally dry and peel off the stencil. Please use a towel or airbrush to clean the debris on stencil, do not use water. Suitable for both adults and children.