Psoriasis Causes and Triggers
Although it is widely acknowledged that an overactive immune system and a family history of Psoriasis play a part in the development of Psoriasis, the exact cause of Psoriasis still remains a mystery.[1]
Many factors can impact the occurrence of Psoriasis symptoms. These factors are usually connected to the environment around you and are called ‘Triggers’.[1]

Talk to your Dermatologist
about biologics for clear* skin
*No plaque elevation, erythema or
scaling, hyperpigmentation maybe present.
You may want to read
References
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National Psoriasis Foundation. About psoriasis. Available [online] at URL: https://www.psoriasis.org/about-psoriasis. As accessed on 4th October 2019.