Silicone-free biphasic hair restorative
A hair treatment composition is in the form of a two-phase system having two separate, optically detectable continuous phases with a common horizontal phase boundary, and comprises a water phase (I) and an oil phase (II), wherein the oil phase (II) is a mixture of: i) at least one isoparaffin having 9 to 17 carbon atoms, ii) at least two different mono- and/or diesters of linear or branched, saturated or unsaturated C 4 -C 12 carboxylic acids with linear or branched, saturated or unsaturated C 4 -C 24 mono- or dialcohols, and iii) at least one vegetable oil, and wherein the hair treatment composition is essentially free of silicone compounds.
1 . A hair treatment composition in the form of a two-phase system having two separate, optically detectable continuous phases with a common horizontal phase boundary, comprising a water phase (I) and an oil phase (II), wherein
the oil phase (II) is a mixture of:
i) an isoparaffin having 9 to 17 carbon atoms, wherein the isoparaffin is present in the oil phase (II) in an amount of from about 25 to about 35 weight percent, based on a total weight of the oil phase (II),
ii) at least two different mono- and/or diesters of linear or branched, saturated or unsaturated C 4 -C 12 carboxylic acids with linear or branched, saturated or unsaturated C 4 -C 24 mono- or dialcohols, and
iii) a vegetable oil, and
the hair treatment composition is essentially free of silicone compounds.
2 . The hair treatment composition according to claim 1 , wherein
the water phase (I) is present in a proportion by weight of at least about 80% of the total weight of the hair treatment composition, and
the oil phase (II) is present in a proportion by weight of not more than about 20% by weight of the total weight of the hair treatment composition.
3 . The hair treatment composition according to claim 1 , comprising in the oil phase (II), based on its total weight,
from about 27 to about 33 percent by weight of the isoparaffin i),
from about 45 to about 65% by weight of the at least two different mono- and/or diesters ii), and
from about 5 to about 20% by weight of the vegetable oil iii).
4 . The hair treatment composition according to claim 1 , wherein the isoparaffin i) is selected from the group consisting of isodecane, isoundecane, isododecane, isotridecane, isotetradecane and mixtures thereof.
5 . The hair treatment composition according to claim 1 , wherein the isoparaffin i) is selected from the group consisting of isoundecane, isododecane, isotridecane, or a combination thereof.
6 . The hair treatment composition according to claim 1 , wherein the at least two different esters ii) comprise branched esters, wherein the branching is in in an alcohol residue or in an acid residue.
7 . The hair treatment composition according to claim 6 , comprising:
at least one neopentyl polyol polyester, and
at least one ester of a crosslinked C 5 -C 8 carboxylic acid and a C 12 -C 24 monoalcohol.
8 . The hair treatment composition according to claim 1 , wherein the vegetable oil iii) comprises macadamia nut oil.
9 . The hair treatment composition according to claim 1 , comprising in the water phase (I), based on its total weight, from about 0.01 to about 2.5% by weight of at least one cationic polymer.
10 . The hair treatment composition according to claim 1 , comprising in the water phase (I), based on its total weight, from about 0.01 to about 1.0% by weight of at least one cationic surfactant.
11 . The hair treatment composition according to claim 1 , comprising in the water phase (I), based on its total weight, greater than 85% by weight of water.
12 . The hair treatment composition according to claim 1 , wherein the hair treatment composition is substantially free of fatty alcohols.
13 . The hair treatment composition according to claim 1 , wherein the water phase (I) and the oil phase (II) each have a viscosity of less than 1000 mPas, measured at 20° C. with a Brookfield viscometer DV-II, spindle 2, 20 rpm.
14 . The hair treatment composition according to claim 1 , wherein
the water phase (I) is present in a proportion by weight of at least about 88% of the total weight of the hair treatment composition, and
the oil phase (II) is present in a proportion by weight of not more than about 12% by weight of the total weight of the hair treatment composition.
15 . The hair treatment composition according to claim 6 , comprising:
a neopentyl glycol diester, and
at least one ester of 2-ethylhexyl carboxylic acid and myristyl, cetyl and/or stearyl alcohol.
16 . The hair treatment composition according to claim 1 , comprising in the water phase (I), based on its total weight, greater than 95% by weight of water.
17 . The hair treatment composition according to claim 1 , wherein the water phase (I) and the oil phase (II) each have a viscosity of less than 500 mPas, measured at 20° C. with a Brookfield viscometer DV-II, spindle 2, 20 rpm.