Final answer:
The type of shampoo that is most effective in reducing dandruff is C) Medicated shampoo, which contains specific active ingredients designed to combat the root causes of dandruff and scalp irritation.
Step-by-step explanation:
The type of shampoo that is very effective in reducing dandruff is the C) Medicated shampoo. These shampoos often contain active ingredients such as ketoconazole, pyrithione zinc, selenium sulfide, or tar, which target the underlying causes of dandruff, including fungus and inflammation. Medicated shampoos are specially formulated to treat dandruff and related scalp conditions by removing flaking, reducing itchiness, and preventing the overgrowth of dandruff-causing agents.
On the other hand, Moisturizing shampoos are designed to add moisture and prevent dryness, Clarifying shampoos are meant to deeply cleanse the hair and scalp by removing product buildup, and Volumizing shampoos aim to make hair look fuller and thicker. Although these types of shampoos provide benefits for specific hair needs, they are not primarily targeted at treating dandruff.