MolluDab is 5% potassium hydroxide solution applied twice daily with a dabber. An inflammatory response should occur after 4-6d with lesions disappearing over the next 1-5w. It is available over the counter (OTC) and on prescription (except in Scotland). The RRP is £24.30 for 2ml! The main side effect is stinging/burning, with redness, itching, pain, ulceration, crusting and hyperpigmentation also reported.
The two main trials were tiny (<30 patients). The DTB review concluded there was no convincing effect and do not recommend prescribing it.