Applying ointment is a common medical practice used to treat skin conditions. It involves rubbing the ointment onto the affected area, which is why the crossword solution for this term is 'RUBS'. Ointments are typically composed of oil, water, and an emulsifying agent, and they can be used to treat a variety of skin conditions, such as eczema, psoriasis, and dermatitis. Applying ointment is an important part of any skin care routine, as it helps to soothe and protect the skin.