Hi... Ayurveda can cure the psoriasis but it takes times depends upon how Long you are suffering from, Ayurveda treats the root cause of the disease, it removes all toxins remove your body. There two type of treatment Medicinal & Panchkarma. You had to start both at same time.
Next Steps
Consult Ayurvedic physician Near by you.
Health Tips
Don't Eat salty, Junk, Non Veg, Bakery itmes, fermented Food, overnight food.
Do Pranayam- Anulom- vilom, Omkar.
Don't use soap on affected skin, use neem Leaves.