Which treatments help in teenagers and adults?

Anti-inflammatory and antifungal creams and shampoos can effectively relieve the symptoms of seborrheic dermatitis in teenagers and adults. But these medications only have a temporary effect, so they won’t get rid of the rash for good.
If you develop seborrheic dermatitis as a teenager or adult, you’ll likely keep on getting inflamed flaky patches of skin on your scalp and face. Your skin will clear up during some periods, but the dermatitis often comes back again.
Various treatments can keep the rash in check during acute phases. These treatments can be applied in the form of creams, gels or lotions, for instance. It is a good idea to talk with your doctor about which product is best for your skin type. If you have dry skin, for example, a moisturizing cream might be better. If you have a rash on your scalp, you can use a medicinal shampoo. And if your hair is dry or curly and doesn’t need to be washed very often, you can use a special hair foam that doesn’t need to be rinsed out.
In babies and toddlers, seborrheic dermatitis is commonly known as cradle cap. It goes away on its own and doesn't need to be treated.