I mix two browns, water and matte acrylic sealant with a brush then use one side of some craft tweezers -large size but pointed ends- …

I mix two browns, water and matte acrylic sealant with a brush then use one side of some craft tweezers -large size but pointed ends- …
Pink pastel crayon + Q-tip + sealant
Dip your paint brush into the sealant enough to get a small drip or at least a full brush. Drag the brush across the lips …