There is provided a composition comprising i) a wax in an amount of 10 to 40 wt. % based on the composition ii) a compound in an amount of 60 to 90 wt. % based on the composition, having the formula wherein t is an integer, wherein each R1, R2 and R3 is independently selected from an acyl group or a hydrogen atom, wherein at least one of R1, R2 and R3 is H or an acyl group (a short acyl group) having from 2 to 6 carbon atoms, wherein at least one of R1, R2 and R3 is an optionally branched chain acyl group (a long acyl group) consisting of a saturated chain having 10 to 20 carbon atoms and an optional hydrophilic branch group.