Agent for oxidative treatment, particularly in transparent gel form
View Patent ↗A preferably clear or transparent agent in gel form for carrying out oxidative treatments in various application fields, for example cosmetics, dental technology, pharmacy and cleaning agents. The agent is particularly well suited for use in cosmetic hair treatments such as, for example, blonding, oxidative hair coloring, and permanent hair deformation. The agent contains a mixture of an oxidant, at least one peroxide stabilizer, at least one specific polymer thickener and water or an aqueous solvent.
1. An agent for oxidative treatment consisting of:
a) at least one oxidant,
b) at least one peroxide stabilizer;
c) at least one polymer thickener selected from the group consisting of
(i) copolymers of acrylic acid,
(ii) polymers with propyleneoxy groups,
(iii) copolymers of vinylpyrrolidone,
(iv) hydroxyalkylstarch phosphates, and
(v) alkali metal magnesium silicates
d) water or an aqueous solvent; and
e) optionally one or more of a nonionic surface-active compound, an amphoteric surface-active compound, a cationic polymer, a dye, an alcohol, a dissolution promoter, a buffering substance, a perfume oil, a defoamer, a lanolin derivative, cholesterol, betain, a swelling agent a penetration agent, a blonding agent, and a dilute organic or inorganic acid or base;
wherein the agent is transparent.
2. The agent as defined in claim 1 wherein the agent is in the form of a gel.
3. The agent as defined in claim 1 , wherein the oxidant is selected from the group consisting of hydrogen peroxide, alkali metal bromates, alkaline earth metal bromates, ammonium bromate, alkali metal persulfates, alkaline earth metal persulfates, ammonium persulfate, alkali metal perborates, alkaline earth metal perborates, ammonium perborate, alkali metal percarbonates, alkaline earth metal percarbonates, calcium peroxide and sodium iodate.
4. The agent as defined in claim 1 , wherein the agent contains a bromate as the oxidant and has a pH between 7 and 8.5.
5. The agent as defined in claim 1 , wherein the agent has a pH of 2 to 6.
6. The agent as defined in claim 1 , wherein the agent contains the oxidant in an amount from 0.1 to 25 weight percent.
7. The agent as defined in claim 1 , wherein the peroxide stabilizer is selected from the group consisting of dialkali metal hydrogen phosphates, p-acetamidophenol, hydroxyquinoline salts, salicylic acid and salts thereof, 1-hydroxyethane-1,1-diphosphonic acid, tetrasodium 1-hydroxyethane-1,1-diphosphonate, tetrasodium iminodisuccinate, ethylene-diaminetetraacetic acid tetrasodium salt and N-(4-ethoxyphenyl)acetamide.
8. The agent as defined in claim 1 , wherein the agent contains the stabilizer in an amount from 0.01 to 2 weight percent.
9. The agent a s defined in claim 1 , wherein the stabilizer is a 2-component combination, the combination being selected from the following group consisting of:
EDITRONIC ACID and SALICYLIC ACID,
EDITRONIC ACID and DISODIUM PHOSPHATE,
TETRASODIUM EDITRONATE and SALICYLIC ACID,
TETRASODIUM EDITRONATE and SALICYLIC ACID, and
TETRASODIUM EDITRONATE and DISODIUM PHOSPHATE.
10. The agent as defined in claim 1 , wherein the stabilizer is present in an amount of from 0.1 to 0.3 wt % and the stabilizer is selected from the group consisting of TETRASODIUM EDITRONATE, SALICYLIC ACID and EDITRONIC ACID.
11. The agent as defined in claim 1 , wherein the polymer thickener is selected from the group consisting of: ACRYLATES COPOLYMER;
ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER;
ACRYLATES/ACRYLAMIDE COPOLYMER; AMMONIUM
ACRYLOYLDIMETHYLTAURATE/BEHENETH-25 METHACRYLATE COPOLYMER;
AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER; CARBOMER;
HYDROXYPROPYL STARCH PHOSPHATE; POLYQUATERNIUM-44;
POLYQUATERNIUM-37; POLYQUATERNIUM-37, MINERAL OIL, SORBITAN OLEATE,
PEG-1/PPG-6 TRIDECCETH 6, C10-12 ALKANE/CYCLOALKANE; POLYQUATERNIUM-37, SORBITANE OLEATE, PROPYLENE GLYCOL DICAPRYLATE/DICAPRATE, PPG-1 TRIDECETH-6, C10-12 ALKANE/CYCLOALKANE; and SODIUM MAGNESIUM SILICATE.
12. The agent as defined in claim 1 , wherein the agent contains the polymer thickener in art amount from 0.1 to 5.0 weight percent.
13. The agent as defined in claim 1 , wherein the agent contains water in an amount from 50 to 98 wt.%.
14. The agent as defined in claim 1 , wherein the agent contains an alcohol in an amount from 1 to 20 wt.%.
15. The agent as defined in claim 14 , wherein the alcohol is 1,2,3-propanetriol.
16. The agent as defined in 1 , wherein the agent contains at least one cationic polymer.
17. The agent as defined in claim 1 , wherein the agent contains at least one amphoteric surface-active compound selected from the group consisting of the carboxyl derivatives of imidazole, N-alkylamidobetains, N-alkylsulfobetains N-alkylaminopropionates, alkyldimethyl-carboxymethylammonium salts with 12 to 18 carbon atoms and fatty acid alkylamidobetains.
18. The agent as defined in claim 1 , wherein the agent has a viscosity of 100 to 30,000 mPa s measured at 25° C. with a VT 550 Haake Rotational Viscometer at a shearing rate of 12.9 per second.
19. The agent as defined in claim 1 , wherein the agent is in the form of a 2-component preparation and is prepared just before use by mixing the pure polymer thickener or a composition containing the polymer thickener (Component 1) with an aqueous hydrogen peroxide solution (Component 2).