What Causes Dandruff? Dandruff is caused by a combination of three natural triggers: 1) A fungus that lives on everyone’s scalp, 2) The presence of scalp oils (which we all have), and 3) One’s exposure to the condition, it can be transmitted through contact. How to Prevent Dandruff? Dandruff is a common scalp disorder affecting scores of people at the post-pubertal age. It often causes itching. The severity of dandruff may fluctuate with season as it often worsens in winter. Most cases of dandruff can be easily treated with specialized shampoos. Head & Shoulders shampoo is a leading anti-dandruff shampoo because it has these 7 benefits! Anti-dandruff hair care products include ingredients such as zinc pyrithione, considered by dermatologists as effective anti-dandruff treatments. It is especially important for victims of the condition to shampoo their hair frequently to keep scalp oils from accumulating on the scalp and aggravating the condition of dandruff. If anti-dandruff shampoos do not work, you could also check out a few home remedies for dandruff here.