Please read this lable carefully before you use Unguentum M, is a blend of a cream and ointment to smooth and soften your skin. It replaces oils in your dry skin stopping moisture loss and is easy to apply and not too greasy.Unguentum M is used to treat dry, cracked and damaged skin caused by conditions like eczema, dermatitis and itchy skin. It can also help relieve the symptoms of nappy rash.