Patent Picks—Capsule Delivery Agents, Photoprotection, Staining Mitigation, Peptides, Substrates, Curl Retention, Hair Dye and More for Hair Care

By: Katie Anderson (Schaefer), Cosmetics & Toiletries magazine

Posted: August 17, 2011

Use of stinging cells/capsules for the delivery of active agents to keratinous substances
US Patent 7998509
Publication Date: Aug. 16, 2011
Assignee: NanoCyte Inc.

According to one aspect of the present invention there is provided a method of delivering an active agent into a keratinous substance, the method comprising applying a composition comprising the active agent disposed in or around at least one stinging capsule to an outer surface of a non-skin keratinous substance and triggering a discharge of the at least one stinging capsule to thereby deliver the active agent into the non-skin keratinous substance.

According to another aspect of the present invention there is provided a method of delivering an active agent into a keratinous substance, the method comprising applying a composition including, at least one active agent onto an outer surface of a non-skin keratinous substance, applying at least one stinging capsule to the outer surface of the non-skin keratinous substance and triggering a discharge of the at least one stinging capsule to thereby deliver the active agent into the keratinous substance.

According to yet another aspect of the present invention there is provided a method of delivering an active agent into a keratinous substance, the method comprising preconditioning a non-skin keratinous substance by administering into the non-skin keratinous substance at least one stinging capsule and triggering a discharge of the at least one stinging capsule to thereby deliver tubule of the at least one stinging capsule into the non-skin keratinous substance thus preconditioning the non-skin keratinous substance for subsequent delivery of the active agent and subsequently administering the active agent onto the non-skin keratinous substance, thereby effecting the delivery of the active agent into the keratinous substance.

Process for the photoprotective treatment of artificially dyed keratin fibers by application of a liquid water/steam mixture
US Patent 7998464
Publication Date: Aug. 16, 2011
Assignee: L'Oreal S.A.