Please choose the correct ending to complete the given sentence: Health: [header] How to cure lichen planus [title] Put anti-itch products on skin irritation. [step] The main source of discomfort that occurs with lichen planus is itching on the bumps. This can be temporarily relieved by applying anti-itch lotions and creams, which are available over-the-counter at most pharmacies.

Ending1: [substeps] Anti-itch products that contain antihistamines. Such as diphenhydramine hydrochloride, typically help relieve the itching effectively. Ending2: These products might only provide a temporary relief if it does not help. [substeps] Apply anti-itch lotions to areas where a skin flap may be of concern. Ending3: [substeps] Anti-itch creams are available in cream, ointment, eye cream and petroleum jelly formulations. [title] Try an anti-itch cream for skin irritation or tss. Ending4: However, always be sure to refrain from applying antiscratching lotions of any sort, as these should only be used on treating lichen planus bumps. Over-itching can cause skin irritation.

Answer format: ending1/ending2/ending3/ending4