Composition for coating keratin fibres comprising a tacky wax

1. A non-therapeutic process for obtaining a uniform and/or smooth and/or separating makeup result on eyelashes comprising applying to the eyelashes a composition comprising, in a cosmetically acceptable medium, at least one wax having a tack of greater than or equal to 0.7 N.s and a hardness of less than or equal to 3.5 MPa, and

wherein the at least one wax is a compound of formula (I):

wherein n is an integer ranging from 18 to 38.

2. The non-therapeutic process according to claim 1 , wherein the at least one wax has a tack ranging from 0.7 N.s to 30 N.s.

3. The non-therapeutic process according to claim 2 , wherein the at least one wax has a tack of greater than or equal to 1 N.s.

4. The non-therapeutic process according to claim 3 , wherein the at least one wax has a tack ranging from 1 N.s to 20 N.s.

5. The non-therapeutic process according to claim 4 , wherein the at least one wax has a tack of greater than or equal to 2 N.s.

6. The non-therapeutic process according to claim 5 , wherein the at least one wax has a tack ranging from 2 N.s to 10 N.s.

7. The non-therapeutic process according to claim 1 , wherein the at least one wax has a hardness ranging from 0.01 to 3.5 MPa.

8. The non-therapeutic process according to claim 7 , wherein the at least one wax has a hardness ranging from 0.05 MPa to 3 MPa.

9. The non-therapeutic process according to claim 8 , wherein the at least one wax has a hardness ranging from 0.1 MPa to 2.5 MPa.

10. The non-therapeutic process according to claim 1 , wherein the at least one wax is present in an amount ranging from 0.5% to 60% by weight, relative to the total weight of the composition.

11. The non-therapeutic process according to claim 10 , wherein the at least one wax is present in an amount ranging from 5% to 50% by weight, relative to the total weight of the composition.

12. The non-therapeutic process according to claim 11 , wherein the at least one wax is present in an amount ranging from 10% to 40% by weight, relative to the total weight of the composition.

13. The non-therapeutic process according to claim 12 , wherein the at least one wax is present in an amount greater than 25% by weight, relative to the total weight of the composition.

14. The non-therapeutic process according to claim 13 , wherein the at least one wax is present in an amount greater than 27% by weight, relative to the total weight of the composition.

15. The non-therapeutic process according to claim 14 , wherein the at least one wax is present in an amount greater than 28% by weight, relative to the total weight of the composition.

16. The non-therapeutic process according to claim 15 , wherein the at least one wax is present in an amount greater than 30% by weight, relative to the total weight of the composition.

17. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one additional wax having a hardness of greater than or equal to 6 MPa.

18. The non-therapeutic process according to claim 17 , wherein the at least one additional wax has a hardness ranging from 6 MPa to 30 MPa.

19. The non-therapeutic process according to claim 18 , wherein the at least one additional wax has a hardness ranging from 7 MPa to 25 MPa.

20. The non-therapeutic process according to claim 19 , wherein the at least one additional wax has a hardness ranging from 8 MPa to 25 MPa.

21. The non-therapeutic process according to claim 20 , wherein the at least one additional wax has a hardness ranging from 9 to 20 MPa.

22. The non-therapeutic process according to claim 21 , wherein the at least one additional wax has a hardness ranging from 10 MPa to 20 MPa.

23. The non-therapeutic process according to claim 17 , wherein the at least one additional wax is chosen from carnauba wax, polyethylene waxes, candelilla wax, hydrogenated jojoba oil, bis(1,1,1-trimethylolpropane) tetrastearate, and a wax obtained by hydrogenation of olive oil esterified with stearyl alcohol.

24. The non-therapeutic process according to claim 17 , wherein the at least one additional wax is present in an amount ranging from 0.1% to 30% by weight, relative to the total weight of the composition.

25. The non-therapeutic process according to claim 24 , wherein the at least one additional wax is present in an amount ranging from 1% to 20% by weight, relative to the total weight of the composition.

26. The non-therapeutic process according to claim 25 , wherein the at least one additional wax is present in an amount ranging from 2% to 10% by weight, relative to the total weight of the composition.

27. The non-therapeutic process according to claim 1 , wherein the composition further comprises an aqueous phase.

28. The non-therapeutic process according to claim 27 , wherein the aqueous phase is chosen from aqueous phases formed from water and aqueous phases formed from a mixture of water and water-miscible organic solvent.

29. The non-therapeutic process according to claim 28 , wherein the water-miscible organic solvent is chosen from lower monoalcohols comprising from 1 to 5 carbon atoms, glycols comprising from 2 to 8 carbon atoms, C 3 -C a ketones, and C 2 -C 4 aldehydes.

30. The non-therapeutic process according to claim 28 , wherein the aqueous phase is present in an amount ranging from 1% to 95% by weight, relative to the total weight of the composition.

31. The non-therapeutic process according to claim 30 , wherein the aqueous phase is present in an amount ranging from 3% to 80% by weight, relative to the total weight of the composition.

32. The non-therapeutic process according to claim 31 , wherein the aqueous phase is present in an amount ranging from 5% to 60% by weight, relative to the total weight of the composition.

33. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one volatile oil.

34. The non-therapeutic process according to claim 33 , wherein the at least one volatile oil is chosen from hydrocarbon-based oils and silicone oils.

35. The non-therapeutic process according to claim 33 , wherein the at least one volatile oil is present in an amount ranging from 0.1% to 98% by weight, relative to the total weight of the composition.

36. The non-therapeutic process according to claim 35 , wherein the at least one volatile oil is present in an amount ranging from 1% to 65% by weight, relative to the total weight of the composition.

37. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one non-volatile oil.

38. The non-therapeutic process according to claim 37 , wherein the at least one non-volatile oil is present in an amount ranging from 0.1% to 30% by weight, relative to the total weight of the composition.

39. The non-therapeutic process according to claim 38 , wherein the at least one non-volatile oil is present in an amount ranging from 0.1% to 20% by weight, relative to the total weight of the composition.

40. The non-therapeutic process according to claim 39 , wherein the at least one non-volatile oil is present in an amount ranging from 0.1% to 10% by weight, relative to the total weight of the composition.

41. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one film-forming polymer.

42. The non-therapeutic process according to claim 41 , wherein the at least one film-forming polymer is present in a solids content ranging from 0.1% to 60% by weight, relative to the total weight of the composition.

43. The non-therapeutic process according to claim 42 , wherein the at least one film-forming polymer is present in a solids content ranging from 0.5% to 40% by weight, relative to the total weight of the composition.

44. The non-therapeutic process according to claim 43 , wherein the at least one film-forming polymer is present in a solids content ranging from 1% to 30% by weight, relative to the total weight of the composition.

45. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one additional wax.

46. The non-therapeutic process according to claim 45 , wherein the at least one additional wax is present in the composition in an amount ranging from 0.1% to 50% by weight, relative to the total weight of the composition.

47. The non-therapeutic process according to claim 46 , wherein the at least one additional wax is present in the composition in an amount ranging from 0.5% to 30% by weight, relative to the total weight of the composition.

48. The non-therapeutic process according to claim 47 , wherein the at least one additional wax is present in the composition in an amount ranging from 1% to 20% by weight, relative to the total weight of the composition.

49. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one surfactant.

50. The non-therapeutic process according to claim 1 , wherein the composition further comprises at least one additive chosen from dyestuffs, antioxidants, fillers, pasty fatty substances, preserving agents, fragrances, neutralizers, thickeners, vitamins, coalescence agents, and plasticizers.

51. The non-therapeutic process according to claim 1 , wherein the composition does not comprise a UV-screening agent.