Hi...do not wash your hair too roughly, do not use many shampoos, you should not wash your hair with too hot water...try to have healthy diet at regular intervals,drink more water,manage stressful situations smoothly if possible avoid them,biotin supplements helps you...The speed of hair growth varies based upon genetics, gender, age, hormones. It may be reduced by nutrient deficiency...so cause for hair fall should be dealt properly...Consult nearest dermatologist they will do the needful.

Go for TSH test. Sometimes hypothyroid could be one of the cause. Take protein rich diet. you mean psoriasis ....? Please confirm so that I may suggest you medicines.

Use karanjkarpoor oil 10ml +40 ml coconut oil for application on scalp 2times/week.Take arogyvardhini tab.2-2 /day/30days.sometimes it needs panchkarma with medicine.www.junankarayurveda.com