COSMETIC COMPOSITION COMPRISING CHESTNUT SHELL EXTRACT

摘要

PURPOSE: A cosmetic composition containing nutshell extract is provided to suppress proteinase-activated receptor-2(PAR-2) and to relieve itching. CONSTITUTION: A cosmetic composition for relieving or suppressing itching contains nutshell extract as an active ingredient. The composition prevents or relieves itching caused by inflammatory dermatitis, atopic dermatitis, miliaria, frostbite, contact dermatitis, seborrheic dermatitis, or pruritus. A cosmetic composition improving skin barrier function contains the nutshell extract as an active ingredient. The extract is prepared using water, low alcohol of C1-4, 1,3-butylene glycol, or mixture thereof.