Exorex Hair & Body Shampoo Exorex Hair & Body Shampoo gently cleanses without causing irritation. It is free from fragrance & colours & has been specially formulated to be kind to delicate skin that has been affected by psoriasis, both on the body & the scalp. Exorex Hair & Body Shampoo can be used with the Exorex Lotion treatment programme for psoriasis.