They need to be used a few times a week and be patient, they can take up to six weeks to work. All these treatments are available from the pharmacist without a prescription. If it's not getting better with these treatments or if the scalp is red, inflamed, or painful, then a different treatment may be needed. Steroid lotion or mousse is used for severe seborrhoeic eczema. It is also used to treat psoriasis which not only affects the elbows and knees but the scalp too.
Psoriasis occurs when new skin cells are made too quickly.
The build up of these cells creates red areas covered with thick scaly silvery-looking patches which can be very uncomfortable and itchy. Trying to prevent the problem returning When shampooing, massage your scalp don't scratch it. Rinse your hair well, ideally twice with every shampoo. The scalp is a very sensitive area so take care with hair products which can dry and irritate it. Alternate using your usual shampoo with your dandruff shampoo.