Natio Intense Colour Lip Crayon - Pink Petal With a colour rich, hydrating formula that’s easy to wear all day, these Lip Crayons are long lasting and double as both a lip colour and lip liner. The handbag-friendly Lip Crayons come in five shades, with a colour for all occasions. How To Use Use the Lip Crayon as a lipstick or as a lipliner. Outline the top and bottom lips, then fill them in with colour. Lip Crayon can be resharpened using a makeup pencil sharpener.