hello Mr Brijsh Sharma ,
welcome to "healthcare magic forum "
may increase your hairloss , as dandruff is an fungal infection
and need to be treated internally than externally.homoeopathic medicines will help to treat the cause rather than any external factor ,if overlooked it may spread further, consult a homoeopath who will be able to help you to get rid of the dandruff and stop your hairloss as well,regowth is possible depending on your hailoss grading
, use to lukewarm water for head bath , clean the scalp
properly with a clean towel ,do not use that towel for rest of ur body and face .
any shampoo will help you out for couple of days so for good results start medications as soon as you can .
takecare,wish you good health always !