Low-irritation compositions and methods of making the same
View Patent ↗Provided are compositions comprising low molecular weight polymeric materials and surfactants having reduced irritation associated therewith, methods of reducing the irritation associated with a personal care composition comprising an anionic and/or amphoteric surfactant, the methods comprising combining a low molecular weight polymeric material capable of binding a surfactant thereto with an anionic surfactant to produce a reduced irritation personal care composition, and methods of using such compositions to cleanse the hair or skin with reduced irritation.
1. A composition comprising a low molecular weight polymeric material selected from the group consisting of polysaccharide polymers derived from starch, inulin, guar, xanthan, carrageenan, chitosan, pectin, or schizophyllan, such polymers having a molecular weight of from about 3,500 to about 500,000 g/mol, and an alternating octadecene/maleic anhydride copolymer having a molecular weight of from about 20,000 to about 25,000 and capable of binding a surfactant thereto and at least one surfactant selected from the group consisting of anionic surfactants in an amount of from about 0.1 to about 12.5 weight % active surfactant in composition, amphoteric surfactants, and combinations of two or more thereof, said composition having a Delta CMC of at least about 80.
2. The composition of claim 1 wherein said low molecular weight polymeric material is a hydrophobically-modified polysaccharide polymer derived from starch, inulin, guar, xanthan, carrageenan, chitosan, pectin, or schizophyllan that has a molecular weight of from about 3,500 to about 100,000 g/mol.
3. The composition of claim 1 wherein said low molecular weight polymeric material and surfactant exhibit a C 90 value of greater than 250 mg/L.
4. The composition of claim 1 wherein said low molecular weight polymeric material and surfactant exhibit a C 90 value of greater than 300 mg/L.
5. The composition of claim 1 wherein said low molecular weight polymeric material and surfactant exhibit a C 90 value of greater than 450 mg/L.
6. The composition of claim 1 wherein said composition has a Delta CMC of at least about 300.
7. The composition of claim 1 wherein said composition has a TEP of at least about 1.5 or greater.
8. The composition of claim 1 wherein said composition has a TEP of at least about 2 or greater.
9. The composition of claim 1 wherein said composition has a TEP of at least about 3 or greater.
10. The composition of claim 1 wherein said low molecular weight polymeric material comprises a polymer selected from the group consisting of hydrophobically-modified starches, hydrophobically-modified inulins and combinations of two or more thereof.
11. The composition of claim 1 wherein said low molecular weight polymeric material comprises an alternating octadecene/maleic anhydride copolymer, having a molecular weight of from about 20,000 to about 25,000.
12. The composition of claim 1 wherein said low molecular weight polymeric material comprises a hydrophobically-modified inulin polysaccharide.
13. The composition of claim 1 wherein said at least one surfactant comprises at least one anionic surfactant selected from the group consisting of sodium trideceth sulfate, sodium laureth sulfate, and combinations thereof.
14. The composition of claim 1 wherein said at least one surfactant comprises at least one amphoteric surfactant.
15. The composition of claim 13 wherein said at least one amphoteric surfactant comprises a betaine surfactant.
16. The composition of claim 15 having an F max of at least about 300 ml.
17. A method of treating at least a portion of the human body comprising contacting the body with a composition of claim 1 .
18. A method of cleansing at least a portion of the human body with reduced irritation comprising contacting the body with a composition of claim 1 .
19. A method of treating at least a portion of the human body comprising contacting the body with a composition of claim 15 .
20. A method of cleansing at least a portion of the human body with reduced irritation comprising contacting the body with a composition of claim 15 .
21. A composition comprising a low molecular weight polymeric material selected from the group consisting of polysaccharide polymers derived from starch, inulin, guar, xanthan, carrageenan, chitosan, pectin, or schizophyllan, such polymers having a molecular weight of from about 3,500 to about 500,000 g/mol and an alternating octadecene/maleic anhydride copolymer having a molecular weight of from about 20,000 to about 25,000 and capable of binding a surfactant thereto and at least one anionic surfactant selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkyl monoglyceryl ether sulfates, alkyl sulfonates, alkylaryl sulfonates, alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkyl sulfosuccinamates, alkyl amidosulfosuccinates, alkyl carboxylates, alkyl amidoethercarboxylates, alkyl succinates, fatty acyl sarcosinates, fatty acyl amino acids, fatty acyl taurates, fatty alkyl sulfoacetates, alkyl phosphates, and mixtures of two or more thereof, said composition having a Delta CMC of at least about 80.
22. The composition of claim 21 wherein said low molecular weight polymeric material is a hydrophobically-modified polysaccharide polymer derived from starch, inulin, guar xanthan, carrageenan, chitosan, pectin, or schizophyllan that has a molecular weight of from about 3,500 to about 100,000 g/mol.
23. The composition of claim 21 wherein said low molecular weight polymeric material is a hydrophobically-modified inulin polysaccharide or an alternating octadecene/maleic anhydride copolymer, having a molecular weight of from about 20,000 to about 25,000.
24. The composition of claim 21 wherein said at least one anionic surfactant comprises at least one surfactant selected from the group consisting of sodium trideceth sulfate, sodium laureth sulfate, and combinations thereof.
25. The composition of claim 21 wherein said composition further comprises at least one amphoteric surfactant.
26. A composition comprising a low molecular weight polymeric material selected from the group consisting of polysaccharide polymers derived from starch, inulin, guar, xanthan, carrageenan, chitosan, pectin, or schizophyllan, such polymers having a molecular weight of from about 3,500 to about 100,000 g/mol and an alternating octadecene/maleic anhydride copolymer having a molecular weight of from about 20,000 to about 25,000 and capable of binding a surfactant thereto and at least one amphoteric surfactant, said composition having a Delta CMC of at least about 80.
27. The composition of claim 26 wherein said low molecular weight polymeric material is a hydrophobically-modified polysaccharide polymer derived from starch, inulin, guar xanthan, carrageenan, chitosan, pectin, or schizophyllan that has a molecular weight of from about 3,500 to about 100,000 g/mol.
28. The composition of claim 26 wherein said low molecular weight polymeric material is a hydrophobically-modified inulin polysaccharide or an alternating octadecene/maleic anhydride copolymer, having a molecular weight of from about 20,000 to about 25,000.
29. The composition of claim 26 wherein said at least one amphoteric comprises a betaine.
30. The composition of claim 26 further comprising an anionic surfactant.
31. A method of cleansing at least a portion of the human body comprising contacting the body with a composition of claim 21 .
32. A method of cleansing at least a portion of the human body comprising contacting the body with a composition of claim 26 .