How to make eyeliner<br>Buy some activated charcoal. Activated charcoal is available at drug stores and natural health stores. It's commonly used as a remedy for indigestion, so it usually comes in the form of capsules.
Charcoal can be used for acid reflux.
( z1 possible :ARG1 ( z2 use :ARG1 ( z3 coal ) :ARG2 ( z4 reflux :mod ( z5 acid ) ) ) )