[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a natural or synthetic fungistatic fatty acid, antifungal Undecylenic Acid is used topically as a zinc salt in various creams against fungal infections, eczemas, ringworm, and other cutaneous conditions. The zinc provides an astringent action, reducing rawness and irritation."}]