The key to whether or not soap washing is good for your skin depends on the type of soap chosen. Hard soap is too alkaline, usually only used for laundry. Soft soap that we commonly use soap, alkaline slightly weaker, can clean the skin, reasonable use does not damage the skin, but also not recommended for frequent use. We usually use “soap”, it contains low alkali, less irritation to the skin, so normal people and psoriasis patients can use. It has a good anti-dandruff effect on skin lesions. Soap as a daily necessity, its main alkaline soap, use of alkaline soap for a long time wash your face, it is likely to cause skin irritation, so that the skin’s stratum corneum is damaged and caused by peeling phenomenon, and may even appear rashes, itching and other allergic reactions, long-term use of easy to form sensitive skin. After using soap to wash your face, be sure to wash with water again to avoid residue on the skin surface. And long-term use is not recommended. Due to the different personal constitution, the specific situation needs to ask the doctor to analyze according to the actual situation.