Patent Picks—Colored Bubbles, Straightening, Suspended Air and More in Hair Care

By: Rachel L. Grabenhofer

Posted: April 6, 2011

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This invention describes cosmetic compositions containing at least one carboxylic anionic surfactant and at least one vinylformamide/vinylformamine copolymer. According to the patent, in rinse-out hair compositions, such as shampoos or hair conditioners, water-soluble synthetic cationic polymers, which have been known to give hair good cosmeticity, are often used; however, these polymers provide no hair shaping effect. This is likewise the case for cationic, nature-derived polymers such as modified guar gums, which may also provide a cosmetic nature without allowing hair shaping. In the field of rinse-out compositions, polymers may not provide sufficient hair styling associated with an acceptable cosmeticity. Thus, one aspect of the present disclosure is to incorporate polymers that are capable of providing a real styling effects while at the same time maintaining acceptable cosmeticity.

Compositions containing benefit agent composites pre-emulsified using colloidal cationic particles
US Patent 7915214
Publication date: March 29, 2011
Assignee: Amcol International Corporation

This patent illustrates a cleansing or surface-conditioning composition comprising a mixture of A) and B) in water, wherein A) is a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof, and B) is a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1–1,000 microns, and a specific gravity of ≧1, not encapsulated within a film or a capsule-like enclosure. The particulate hydrophobic benefit agent comprises: a) a physically-modified form of the hydrophobic benefit agent, and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to A), and wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.

Unexpectedly, the inventors have found that the compositions disclosed show an extraordinarily high level of performance properties, namely hair-conditioning, fabric softening, and skin moisturizing, which is reportedly attributed to the specific additive form in which the benefit agents are incorporated into these compositions, and in particular to the composition of this additive-form.

Method for improving the foaming properties of cleansing and/or foaming formulations for topical use
US Patent 7915208
Publication date: March 29, 2011
Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques (SEPPIC)