... ,make the fluid stick to the stain on clothes3. Scatter the fluid on the stain by pen end and make it even. If ... , then natural dry up.5.For much stain, after cleaning by pen, please wash in the washing machine with washing ball by ... , and mixed material (like the lipstick ,tea stain, coffee stain and blood stain)Don’t use on silk and wool textile. ECO Instant Stain Remover Pen