A custom-designed sharpener that's sized exclusively for Lip Sketch Hydrating Crayon (sold separately). What Else You Need to Know: Sharpen Lip Sketch Hydrating Crayon to a clean, precise point with this custom-designed pencil sharpener. Made with 100% recycled plastic and stainless steel blades-plus a built-in cleaning tool-it's the perfect addition to your Lip Sketch routine.