I bet there is a hereitary component to this condition and while traditional thinning skin is a age related thing ... this particular condition isn't an older person problem but something in your genetic code - in my opinion.
Rapier is a thin, two-edged sword or speech that is clever. 1  An example of rapier is a sword.  An example of rapier is a comedian's comebacks.
Medical Definition of raphe. : the seamlike union of the two lateral halves of a part or organ (as of the tongue, perineum, or scrotum) having externally a ridge or furrow and internally usually a fibrous connective tissue septum.