Abstract:
PURPOSE: An external use composition containing an Acorus calamus extract for preventing and treating atopic dermatitis is provided to suppress degranulation and excessive cytokine secretion. CONSTITUTION: A cosmetic composition for preventing or treating atopic dermatitis contains an Acorus calamus extract as an active ingredient. The extract is a solvent extract or essential oil. The solvent extract is prepared using water or butylenes glycol. A pharmaceutical composition for preventing or treating atopic dermatitis contains the extract as an active ingredient. An external use composition for preventing or treating atopic dermatitis contains the extract as an active ingredient. The external use composition is a cosmetic product or a medicine.