{HEAD ~ A gelator} or {TAIL ~ thickener} according to the invention may, for instance, be used for pharmaceutical or cosmetic purposes 
{ HEAD ~ A gelator } or { TAIL ~ thickener } according to the invention may , for instance , be used for pharmaceutical or cosmetic purposes
HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH