{TAIL ~ The cosmetic and pharmaceutical formulations} may comprise {HEAD ~ further hydrocarbons}, for example paraffins 
{ TAIL ~ The cosmetic and pharmaceutical formulations } may comprise { HEAD ~ further hydrocarbons } , for example paraffins
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH