Desperate for Psoriasis Scalp Remedies

Hi ive seen my derm since February she first prescribed me anti fungal shampoo called cicliopirox ($25 w/goodrx), salyclic acid 6% shampoo, and OTC Coal tar shampoo $5 or less, 2 of these you can buy in store, the 6% needs subscription but ive bought 3% on amazon. These help but scalp but not entirely. I also weekly apply a clobetasol 1% solution to my scalp before bed or during the day, but sometimes it just dries it out. The next step she suggests is oral pill called otezla or skyrizi stomach fat/upper thigh injections (biologics) every 4 months per year, so I am moving forward with the injections but requires bloodwork first, any questions just ask me!