The present invention provides a method of producing an aqueous solution containing bis(N.sup.ε-lauroyl lysine)dicarboxylic acid diamide and/or a salt thereof, and having a pH of 9-11, which includes a first step of reacting N.sup.ε-lauroyl lysine and/or a salt thereof with dicarboxylic acid dichloride in a water solvent having a pH of 12-14 to form bis(N.sup.ε-lauroyl lysine)dicarboxylic acid diamide and/or a salt thereof, a second step of adjusting the aqueous solution obtained in the first step to pH 7.5-8.5, a third step of adding N.sup.ε-lauroyl lysine to the aqueous solution obtained in the second step and filtering the mixture, and a fourth step of adjusting the aqueous solution obtained in the third step to pH 9-11.

A rose-petal body wash which comprises the following raw materials by mass percentage: solvent, suspending agent, thickener, humectant, odorant, neutralizer, emollient, chelating agent, preservative, color stabilizing agent, colorant, and its preparation method which comprises the following steps: (1) clean an agitator kettle completely and clean up the rose petals in advance; (2) pump in de-ionized water and start agitation, then feed partial raw materials in turn, then heat them up to 85° C. and agitate to dissolve completely, (3) after the raw materials dissolve, cool the system down to 50° C. and add NaOH solution to adjust it to a transparent solution, then add some other raw materials, (4) cool the system to 45° C., then add the remaining raw materials and adjust to an acceptable color before discharging, (5) discharge and inspect the product, if it is acceptable, store as finished product.

A personal care composition and methods for determining a stability of the personal care composition are disclosed. The personal care composition may include an emulsion of a hydrophobic phase and a hydrophilic phase. The hydrophobic phase may include an emulsifying system including one or more amino acid surfactants, such as a glutamate surfactant.

A hair care composition is disclosed comprising from 0.5 to 45% by weight of a salt of acyl glutamate and an anti-dandruff agent of piroctone olamine, wherein the salt of acyl glutamate and the anti-dandruff agent are present in a weight ratio of from 5:1 to 50:1, and wherein the composition does not comprise other anionic surfactants in addition to the salt of acyl glutamate.

The present invention provides an oral care composition comprising from 3 to 12 weight % calcium pyrophosphate and from 10 to 19 weight % precipitated silica, based on the total weight of the composition, wherein the precipitated silica has a pellicle cleaning ratio of greater than 85. The present invention further provides a method of cleaning and/or polishing and/or whitening an oral surface comprising contacting the oral surface with the oral care composition.

A method of using a hair care composition that cleans the hair and removes dirt and product build up, while also leaving the hair feeling clean, lightly conditioned and/or untangled, as demonstrated by the wet combing and hair feel tests. The hair care composition includes a surfactant, a rheology modifier, and an aqueous carrier, wherein the composition has a pH ranging from about 2 to about 4 as measured by taking a direct pH measurement using a standard hydrogen electrode of the composition at 25° C. Additionally, the viscosity of the aqueous composition is from about 3,000 cP to about 15,000 cP.

The present invention is directed to a foaming composition comprising: from about 18% to about 36% of one or more anionic surfactants; from 0 0.1 to about 5% of one or more viscosity modifiers with a molecular weight of from about 38 to about 2800; from about 0.1 to about 10% of an anti-dandruff particulate; from about 1% to about 10% of a blowing agent, and wherein the foam density is from about 0.05 to about 0.25 g/ml.

The present disclosure relates to a composition for preventing, alleviating or treating pruritus and/or atopy using an N-acetylamino acid or an N-acylamino acid having almost no side effects on the human body. Also, the present disclosure relates to a cosmetic composition for moisturizing skin or soothing skin. The composition of the present disclosure may be utilized to ameliorate a problematic skin condition caused by various causes, or to safely and effectively alleviate or treat pruritus and/or atopy without concern about side effects.

An oral care composition including an amphoteric surfactant or betaine, a copolymer, and an orally acceptable cationic antibacterial agent; and methods of using the oral care composition.

An aqueous shampoo composition comprising: —a. a pre-formed emulsified silicone; b. a cationic deposition polymer; c. a hair substantive cationic conditioning polymer which is an APTAC polymer, having a molecular weight of less than 1 million Daltons, preferably selected from a homopolymer of (3-acrylamidopropyl) trimethyl ammonium chloride and a (3-acrylamidopropyl) trimethyl ammonium chloride/acrylamide copolymer; d. from 3 to less than 12 wt %, preferably 5 to less than 10 wt %, based on total weight of the composition, of a cleansing surfactant, which has an average degree of ethoxylation of E.sub.n, where n is a number that represents the average degree of ethoxylation and ranges from 0 to 3; e. a co-surfactant which is a betaine surfactant selected from an amido betaine amphoteric surfactant of general formula (II): (II) where m is 2 or 3; R.sup.1C(O) is selected from linear or branched, saturated or unsaturated acyl groups having from 8 to 22 carbon atoms and mixtures thereof; and R.sup.2 and R.sup.3 are each independently selected from alkyl, hydroxyalkyl or carboxyalkyl groups having from 1 to 6 carbon atoms and mixtures thereof; and an alkyl betaine of general formula (III): (III) wherein R is a coco chain, and mixtures thereof; and f. a suspending agent, in which the weight ratio of (d) to (e) ranges from 1:1 to 4.5:1 and the pH of the composition is from 3 to 6.5; results in superior deposition and retention of silicone on hair.

##STR00001##