Crosslinked aminosiloxanes obtainable by reaction of identical or different aminosiloxanes with identical or different epoxide components which are water-soluble hydrocarbons, the hydrocarbons comprising oxygen as well as carbon, and optionally further elements selected from nitrogen, sulphur and phosphorus, the hydrocarbon having on average more than one terminal epoxy group, the epoxy group being a carbooxirane radical, and, further, not more than 50% of all the amino groups having undergone reaction with an epoxide group.

A composition comprising a non-cationic amine epoxide adduct is disclosed, along with methods of making the same. Use of a composition comprising a non-cationic amine epoxide adduct on textiles and paper, particularly woven textiles, tissues, and nonwoven textiles to soften the textiles and paper, along with methods of using a non-cationic amine epoxide adduct to treat a target, are also disclosed.

A human hair fiber treatment agent for treating human hair fibers separated from the human head and artificially fixed at one part of the longitudinal direction, wherein the human hair fiber treatment agent comprises the following components (A) to (C) in the formulation thereof, and the content of the component (A) is 1% by mass or more: (A): formaldehyde or a hydrate thereof; (B): a melamine derivative represented by the formula (1) wherein R.sup.1 to R.sup.3 each represent a hydrogen atom, a hydroxymethylamino group, a hydroxy group, a halogen atom, a phenyl group, a linear or branched alkyl group or alkenyl group having 1 or more and 6 or less carbon atoms, or a linear or branched alkoxy group or alkenyloxy group having 1 or more and 6 or less carbon atoms; and (C): water.

##STR00001##

Specific siloxanes, compositions containing these specific siloxanes, and processes for preparation thereof, are useful for treatment of fabrics, in cleaning and care formulations for the household and for industrial purposes, and in cosmetic, pharmaceutical and dermatological compositions, especially in cosmetic cleansing and care formulations, hair treatment products and hair aftertreatment products, and for cleaning and care of hard surfaces, preferably for cleaning and care of motor vehicles, especially as additive in drying aids for carwash facilities.

A fiber-treating agent including a condensate formed from the following components (A) and (B), and a component (C). A total content of a constituent element derived from the component (A) and a constituent element derived from the component (B) is more than 1 mass %, and a turbidity is 1,000 NTU or less: (A): formaldehyde or a hydrate thereof, (B): triazine or a derivative thereof of formula (1):

##STR00001## where R.sup.1 to R.sup.3 are the same or different, and each represent a hydrogen atom, a hydroxymethylamino group, an amino group, a hydroxy group, a halogen atom, a phenyl group, a linear or branched alkyl group or alkenyl group having 1 or more and 6 or less carbon atoms, or a linear or branched alkoxy group or alkenyloxy group having 1 or more and 6 or less carbon atoms, and (C): water.

A fiber-treating agent containing the following components (A) to (C): (A): one or more catechins selected from the group consisting of catechin, epicatechin, epigallocatechin, gallocatechin, catechin gallate, epicatechin gallate, gallocatechin gallate, epigallocatechin gallate, (B): a salt, and (C): water. A method for treating fibers, including immersing the fibers in the fiber-treating agent.

Disclosed is a synthetic fiber treatment agent containing a phenol amine compound and a nonionic surfactant. The phenol amine compound is at least one selected from the group consisting of a compound formed from a phenol derivative, formaldehyde, and a polyamine compound and a compound obtained by reacting a boron-containing compound with a compound formed from a phenol derivative, formaldehyde, and a polyamine compound. The phenol derivative is a phenol in which a hydrocarbon group with a number average molecular weight of not less than 100 and not more than 2000 is modified.

Disclosed is a synthetic fiber treatment agent containing a phenol amine compound and a nonionic surfactant. The phenol amine compound is at least one selected from the group consisting of a compound formed from a phenol derivative, formaldehyde, and a polyamine compound and a compound obtained by reacting a boron-containing compound with a compound formed from a phenol derivative, formaldehyde, and a polyamine compound. The phenol derivative is a phenol in which a hydrocarbon group with a number average molecular weight of not less than 100 and not more than 2000 is modified.