How does blue LED light improve plaque psoriasis?

The blue LED light of Philips BlueControl improves plaque psoriasis
How blue light improves plaque psoriasis

Healthy skin

1.   Epidermis

2.  Dermis

1 Epidermis
1 Epidermis
How blue light improves plaque psoriasis

Skin with psoriasis

3.  Persistent inflammation. The affected skin area is red.

4.  Skin cells renew too fast. The skin is scaling

How blue light improves plaque psoriasis

Psoriasis affected skin treated with blue light

5.  The redness and scaling of the skin are significantly reduced