Is Dandruff Contagious?
Quick answer: No, dandruff is not contagious; it is linked to a yeast that lives on most people’s scalps and to how your own scalp reacts, so sharing a comb will not give someone dandruff, though sharing combs is still not hygienic.
- Why it appears: Oil, yeast and individual sensitivity.
- Control: Regular washing, anti-dandruff ingredients.
- Ringworm differs: Scaly patches with hair loss need a doctor.
Frequently asked questions
Can kids get it?
Yes.
Cure?
It can be controlled.
Shampoo?
Look for ketoconazole, zinc pyrithione, selenium sulfide.
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Related reading
- Is It Dandruff or a Dry Scalp?
- What Should You Look For in a Hair Loss Shampoo?
- How Often Should You Wash Your Hair in Malaysia’s Climate?
- Why Is My Scalp So Itchy?
- Hair loss library: Scalp care
Reviewed by the Folli-Doc team, led by Dr. Steven Goh (6 years’ experience in hair density treatment). This article is general information, not a medical diagnosis; for sudden, patchy or painful hair loss, see a doctor or dermatologist.