30-01-2020 дата публикации
Номер: US20200030203A1
Hair treatment agents and methods for treating hair are provided. An exemplary hair treatment agent includes, based on the weight of the hair treatment agent, from about 0.001 to about 20 wt. % of at least one alpha-substituted aldehyde, at least one bivalent or trivalent metal salt, and at least one organic acid. 1. A hair treatment agent comprising , based on the weight of the hair treatment agent ,a) from about 0.001 to about 20 wt. % of at least one alpha-substituted aldehyde,b) at least one bivalent or trivalent metal salt, andc) at least one organic acid.2. The hair treatment agent according to claim 1 , wherein the hair treatment agent comprises claim 1 , based on the weight of the hair treatment agent claim 1 , from about 0.01 to about 10 wt. % of alpha-substituted aldehyde(s) of formula (I){'br': None, 'Y—CH(X)—CHO \u2003\u2003(I)'}in which{'sub': 2', 'n', '2', 'm, 'X represents —OH or —Cl or —Br or —I or —O—(CH)—, where n=1, 2, 3, 4, or —O—(CH)—OH, where m=1, 2 or 3; and'}{'sub': 3', '3', '2', 'k', '2', 'p, 'Y represents —H or —CHor HC—(CH)—, where k=1, 2, 3, 4, 5, 6, 7, 8 or —OH or —(CH)—OH, where p=1, 2, 3, 4 or —CHO.'}4. The hair treatment agent according to claim 1 , wherein the hair treatment agent comprises claim 1 , based on the weight of the hair treatment agent claim 1 , from about 0.01 to about 10 wt. % of at least one bivalent or trivalent metal salt from the group of organic or inorganic copper claim 1 , zinc claim 1 , iron(II) claim 1 , calcium claim 1 , magnesium claim 1 , iron(III) claim 1 , lanthanum(III) claim 1 , and aluminum salts.5. The hair treatment agent according to claim 1 , the the hair treatment agent comprises claim 1 , based on the weight of the hair treatment agent claim 1 , from about 0.001 to about 10 wt. % of organic acid(s) from the group of formic acid claim 1 , oxalic acid claim 1 , maleic acid claim 1 , lactic acid claim 1 , tartaric acid claim 1 , succinic acid and citric acid.6. The hair treatment agent according to ...
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