Hair Problems & Their Solutions Dandruff Dandruff is caused by scalp dryness, fungal overgrowth, or excess oil. Use an anti-dandruff shampoo regularly, avoid scratching, and don’t apply heavy oils on an active dandruff scalp. Consistency is key. Grey Hair Grey hair occurs due to reduced melanin, genetics, stress, or nutritional deficiencies. Grey hair serums can slow further greying, but greying cannot be completely reversed once it has started. Hair Fall Hair fall is commonly due to stress, hor