Question

dandruff is __________. a a viral infection of the scalp b caused by over keratinization c caused by sensitivity to chemicals d a fungal infection of the scalp

Explanation:

Dandruff is mainly caused by an over - growth of a type of fungus called Malassezia on the scalp. It's not a viral infection, not primarily due to over - keratinization or chemical sensitivity.

Answer:

D. a fungal infection of the scalp