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US 12,214,066 B2Granted
Hair care compositions
AssigneesYissum Research Development Company of the Hebrew University of Jerusalem, Smart Resilin Ltd.
InventorsOded Shoseyov, Roni Shalev, Sigal Baruch-Sharon, Tal Ben Shalom, Liron Nuttman-Nesial
Life of this patent
Estimating the term…
Abstract
Provided are methods, compositions and kits employing cellulose nanocrystals for hair-straightening treatment. Also provided are methods, compositions and kits employing a resilin, for hair-straightening treatment and/or for maintenance of straightened hair following a hair-straightening treatment.
Claims8
A method of straightening hair, the method comprising:
- applying to the hair cysteine, sodium metabisulfite or a combination thereof to thereby obtain cleaved disulfide bonds in the hair;
- applying arginine or chitosan to the hair, having cleaved disulfide bonds and heat treating the hair;
- subsequently to heat treating the hair, applying to the hair a formulation containing cellulose nanocrystals (CNC) bonded to cellulose binding domain (CBD)-modified resilin in a non-covalent interaction;
- and
- subsequent to applying the formulation containing the CNC, applying heat and pressure to the hair, to cause hair straightening without causing damage to hair,
- thereby straightening the hair.
3 more elements
Dependencies are inferred from the claim text.