The wound should have had sufficient time to heal. Depending on size and nature of the scar, this can take between 2-4 months. It is advaisable to always consult your doctor when in doubt. Should the scar tissue start to change color (turn red) or the strokes are being perceived as painful, we emediately will stop the session.
The advantages of a faster beginning with scar work, is avoiding problems due to postural changes and pain related effects.
Older scars can also be effectively treated. Therefore there is no need to rush things.