Talk to Dermatologist on Severe Dandruff

Asslam u Allikum Mery husband ki age 24 years hy wo abu dhabi me hotu hn. Unko severe dandruff ka issue hy dandruff patches ki form me utarti hy phly jab pakistan me thy tu aik derma sy consult kiya tha unho ny Photonic Tar shmpoo or clobedern lotion diya tha jis sy dandruff bilkul khtm ho gai thi. Lekin jab sy wo abu dhabi gaye hn waha ka pani hy hi garm jis ki waja sy pehly suly b kahin zayada dandruff ho gai hy shampoo photonic tar hi usr kar rahy hn lekin ab farq nahi par raha. Hair fall bhi bht ho raha hy dandruff patches ky sath baal b utar rahy hn aur hair line recede ho gai hy kafi zayad. Please tell me the solution ta k baldness n ho jaye. Unko alpecia areata bhi reh chuka hy beard me wo ab thek hy medication sy. Please dandruff k liye bta dain aur jis sy hair fall ruk jaye aur hair line cover jo jaye dobara sy.