What are the Causes of Dandruff ?
Dandruff can occur due to various reasons:

Dry and dehydrated skin

Stress

Hair styling tools

Irregular shampooing

Skin conditions - psoriasis and eczema

Due to a yeast like fungus called Malassezia growing on the scalp of adults

Overgrowth of a tiny fungus called
P.ovale, which lives on our scalp

Poor digestion

Poor nutrition can be a contributing factor to the development of dandruff