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| Number | Title | Issue Date |
| 5849277 | Hair relaxer compositions and methods for preparing same Methods for preparing hair relaxer compositions which comprise a lithium salt and an alkaline earth hydroxide, wherein the lithium salt is in molar excess to the alkaline earth hydroxide. Compositions, kits containing the compositions, and methods for usi... | 12/15/1998 |
| 5609859 | Hair relaxer compositions and methods for preparing same Methods for preparing hair relaxer compositions which comprise a lithium salt and an alkaline earth hydroxide, wherein the lithium salt is in molar excess to the alkaline earth hydroxide. Compositions, kits containing the compositions, and methods for usi... | 03/11/1997 |
| 4605018 | Method of treating hair and anhydrous composition related thereto An anhydrous composition comprising an anhydrous emollient and an effective amount of a water-soluble guanidine salt together with an effective amount of a water-soluble inorganic oxide. Upon the mixing of an effective amount of water with the composition... | 08/12/1986 |
| 4416296 | Composition and method for hair treatment A composition for forming a second composition to treat hair, and method of treating hair, are disclosed. The first composition is based upon guanidine hydroxide in an inert organic topically acceptable liquid medium which is essentially free of water and... | 11/22/1983 |
| 4373540 | Hair straightening process and hair curling process and compositions therefor Compositions and methods for curling hair and for straightening hair are disclosed, wherein the compositions contain, as the principal active ingredient thereof, guanidine hydroxide. The guanidine hydroxide may be conveniently prepared by reacting calcium... | 02/15/1983 |
| 4324263 | Hair straightening process and hair curling process and compositions therefor Compositions and methods for curling hair and for straightening hair are disclosed, wherein the compositions contain, as the principal active ingredient thereof, guanidine hydroxide. The guanidine hydroxide may be conveniently prepared by reacting calcium... | 04/13/1982 |
| 4314572 | Method and composition for hair treatment A method and composition for curling hair and for straightening hair is disclosed, wherein the method involves the application of guanidine hydroxide to the hair. The guanidine hydroxide is prepared by mixing together in an aqueous medium at least one wat... | 02/09/1982 |
| 4304244 | Hair straightening process and hair curling process and compositions therefor Compositions and methods for curling hair and for straightening hair are disclosed, wherein the compositions contain, as the principal active ingredient thereof, guanidine hydroxide. The guanidine hydroxide may be conveniently prepared by reacting calcium... | 12/08/1981 |
| 4303085 | System and method for hair treatment Systems and methods for curling hair and for straightening hair are disclosed, wherein the systems contain, as a principal active ingredients thereof, guanidine hydroxide, together with an ion exchange resin. The guanidine hydroxide is prepared by mixing ... | 12/01/1981 |
| 3981681 | Depilatory formulation A stable, aqeuous depilatory composition is disclosed, wherein the composition contains, as the essential active ingredients, alkali metal silicates, alkali earth metal salts of -and/or ଲ-mercapto carboxylic acids and thiourea. The compositio... | 09/21/1976 |
