it might. anything that saps moisture from the skin can worsen psoriasis symptoms. for an effective psoriasis home remedy be diligent about applying gentle moisturizers on a regular basis. you can even help reduce scaliness overnight with occlusion therapy -- just apply moisturizer to your plaques and cover them with plastic wrap while you sleep. by morning the moisturizer will have penetrated deep into the dry skin making it easier for you to wash it off in the shower.
i spend my summer days inside air-conditioned buildings. will the cold dry air make my psoriasis worse?