Solid Bar Shampoo

1 . A solid bar shampoo composition comprising at least 60 w/w % of one or more surfactants, based on the total weight of the composition, wherein at least one of the surfactants comprises a polyglyceryl ester.

2 . The solid bar shampoo composition, according to claim 1 , wherein at least one or more surfactants further comprises at least one or more anionic surfactants, cationic surfactants, nonionic surfactants or amphoteric surfactants.

3 . The solid bar shampoo composition, according to claim 1 , comprising 60 w/w %-99 w/w % of one or more surfactants, based on the total weight of the composition.

4 . The solid bar shampoo composition, according to claim 3 , comprising 70 w/w %-85 w/w % of one or more surfactants, based on the total weight of the composition.

5 . The solid bar shampoo composition, according to claim 1 , wherein the polyglyceryl fatty ester is derived from (a) a polyglycerol component built up from 2 to 12 molecules of glycerol, based on an average, and (b) a fatty acid comprises a caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, lignoceric acid, cerotic acid, oleic acid, or decaoleic acid.

6 . The solid bar shampoo composition, according to claim 5 , wherein the polyglyceryl fatty ester comprises one or more of a polyglyceryl-10 laurate, polyglyceryl-10 decaoleate; polyglyceryl-3 monostearate; polyglyceryl-6 distearate, polyglyceryl-10 stearate; polyglyceryl-10 oleate; polyglyceryl-10 dipalmitate, or polyglyceryl-10 caprylate/caprate.

7 . The solid bar shampoo composition, according to claim 1 , wherein one or more polyglyceryl esters is present in an amount between 1 w/w %-80 w/w %, based on the total weight of the composition.

8 . The solid bar shampoo composition according to claim 2 , wherein the anionic surfactant comprises one or more of a sodium lauroyl methyl isethionate, sodium cocoyl methyl isethionate, sodium oleoyl methyl isethionate, olefin sulphonates, sodium lauryl sulfate, olefin sulphonate, disodium laureth sulfosuccinate, sodium lauryl sulfoacetate, sulfonated methyl esters, sodium cocoyl glutamate, or sodium lauroyl sarcosinate.

9 . The solid bar shampoo composition according to claim 8 , wherein the anionic surfactant is present in an amount up to 80 w/w %; based on the total weight of the solid bar shampoo composition.

10 . The solid bar shampoo composition, according to claim 2 , wherein the amphoteric surfactant comprises disodium cocoamphodiacetate.

11 . The solid bar shampoo composition according to claim 10 , wherein the amphoteric surfactant is present in an amount between 1 w/w %-25 w/w %; based on the total weight of the solid bar shampoo composition.

12 . The solid bar shampoo composition, according to claim 2 , wherein the nonionic surfactant comprises glyceryl stearate, peg-100 stearate or a mixture thereof.

13 . The solid bar shampoo composition according to claim 12 , wherein the nonionic surfactant is present in an amount between 1 w/w %-50 w/w %; based on the total weight of the solid bar shampoo composition.

14 . The solid bar shampoo, according to claim 1 , wherein the composition is essentially free of sulfate and/or sulfonate based surfactants.

15 . The solid bar shampoo composition, according to claim 2 , wherein the cationic surfactant is present in an amount between 0.01 w/w %-25 w/w %; based on the total weight of the composition.

16 . The solid bar shampoo, according to claim 1 , wherein the composition is a non-saponified bar shampoo.

17 . The solid bar shampoo composition according to claim 1 , further comprising one or more ingredients selected from fragrances, dyes, structuring aids, fillers, pH adjustment agents, chelating agents, antidandruff agents, biocidal agent, conditioning agents, essential oils, binding agent, natural extracts, botanical extracts, organic acids, alcohols, emulsifiers, natural plant material, fats, oils, essential fatty acids, preservatives, antioxidants, moisturizing agents, or coloring agents.

18 . The solid bar shampoo composition, according to claim 1 , comprising 1 w/w %-80 w/w % of one or more polyglyceryl esters, up to 80 w/w % of one or more anionic surfactants, 1 w/w %-25 w/w % of one or more amphoteric surfactants, 1 w/w %-50 w/w % of one or more nonionic surfactants, 0.01 w/w %-25 w/w % of one or more cationic surfactants; 0.01 w/w %-20 w/w % essential oils, 0.1 w/w %-10 w/w % fatty alcohol, 0.1 w/w %-10 w/w % fatty acid, 0.01 w/w %-5 w/w % fragrances, or 0.01 w/w %-5 w/w % dyes.

19 . A solid bar shampoo composition, comprising (a) at least 60% of one or more surfactants, wherein at least one of the surfactants comprises a polyglyceryl ester and (b) at least one or more antidandruff agent.

20 . The solid bar shampoo composition, according to claim 19 , wherein the one at least one or more surfactants further comprises of at least one or more of anionic surfactants, cationic surfactants, nonionic surfactants or amphoteric surfactants.

21 . The solid shampoo bar composition, according to claim 19 , wherein the antidandruff agent comprises at least one or more of hydroxypyridinones or derivatives thereof, octopirox, pyrithione derivatives or salts thereof, bispyrithione, octenidine or salts thereof, ketoconazole, climbazole, selenium or salts thereof, salicylic acid or salts thereof, or tea tree oil.

22 . The solid bar shampoo composition, according to claim 19 , comprising 1 w/w %-80 w/w % of one or more polyglyceryl esters, up to 80 w/w % of one or more anionic surfactants, 1 w/w %-25 w/w % of one or more amphoteric surfactants, 1 w/w %-50 w/w % of one or more nonionic surfactants, 0.01 w/w %-25 w/w % of one or more cationic surfacants; 0.01 w/w %-20 w/w % essential oils, 0.1 w/w %-10 w/w % fatty alcohol, 0.1 w/w %-10 w/w % fatty acid, 0.01 w/w %-10 w/w % antidandruff agent, 0.01 w/w %-5 w/w % fragrances, 0.01 w/w %-2 w/w % moisturizing agent, or 0.01 w/w %-5 w/w % dyes.