Composition, method and kit for enhancing hair

1. A method comprising:

directly applying to hair an effective hair curling amount of a composition to increase a curl of the hair, the composition comprising a compound of the formula:

wherein the dashed bonds represent a single or double bond;

wherein A and B are each a fluorine atom;

wherein Z is a cycloalkyl moiety having from three to seven carbon atoms, an aryl moiety including from four to ten carbon atoms or a heteroaryl moiety including three to nine carbon atoms and at least one heteroatom selected from nitrogen, oxygen and sulfur; and

wherein X 1 and X 2 are individually selected from a hydrogen atom, an alkyl moiety having from one to six carbon atoms,

 and

R 5 is an alkyl moiety having from one to six carbon atoms;

wherein R 1 and R 2 are individually selected from an oxo group, a hydroxyl group or an ester group, and R 6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to about 20 carbon atoms, and —(CH 2 ) m R 7 wherein m is 0 or an integer of from 1 to 10, and R 7 is cycloalkyl group, having from three to seven carbon atoms, or an aryl or heteroaryl group, as defined above;

wherein y is 0 or 1, x is 0 or 1 and x and y are not both 1, or a salt thereof; and

leaving the composition on the hair.

2. The method of claim 1 , wherein the hair comprises eyelashes.