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Last Updated: October 29, 2020

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Patent: 5,891,426

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Summary for Patent: 5,891,426
Title: Screening of candidates for biological hair care activity
Abstract:The invention concerns a procedure for testing a potentially-active substance used in the hair-care field, this procedure being characterized by the fact that a fragment of at least one hair follicle without dermal papilla is isolated, this fragment being taken from beneath the point of attachment of the sebaceous gland and excluding the portion of the hair shaft located above the point of attachment of the sebaceous gland; that this fragment is incubated in a suitable culture medium for a sufficient period; that this fragment is placed in contact with a potentially-active hair-care substance; that a marker of the activity of said tested substance is quantitatively determined; and that the results of this determination are assessed as they compare to a control.
Inventor(s): Jarrousse; Fran.cedilla.oise (Livry Gargan, FR), Commo; Stephane (Paris, FR), Gaillard; Olivier (Paris, FR), Bernard; Bruno (Neuilly Sur Seine, FR)
Assignee: Societe L\'Oreal S.A. (Paris, FR)
Application Number:08/800,457
Patent Claims:see list of patent claims

Details for Patent 5,891,426

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Smith And Nephew SANTYL collagenase OINTMENT;TOPICAL 101995 001 1965-06-04   Start Trial Societe L\'Oreal S.A. (Paris, FR) 2016-12-15 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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