By Editor , 28 October 2026 Drug-Free Light Therapy for Psoriasis Arrives in Katy Houston – October 27, 2026 -- Houston-area patients with psoriasis, vitiligo or eczema can now get medically supervised, drug-free Narrowband UVB light therapy at Array Skin Therapy's new clinic at 11211 Katy Freeway, Suite 450, Houston, TX 77079.