Dandruff shampoo
- Best for
- Treating mild flaking at the scalp
- Look for
- An active such as ketoconazole, selenium sulfide, salicylic acid, sulfur, coal tar, or zinc pyrithione
- Watch for
- Ignoring the contact time and frequency on the product label
Hair Care By Concern
Get a personalized anti-dandruff routine with scalp treatments chosen by AI.
Dandruff is the visible flaking of skin on the scalp, and it is extremely common — it affects up to half of all adults at some point. The primary cause is an overgrowth of Malassezia, a naturally occurring yeast on the scalp that feeds on sebum and triggers an inflammatory response. This leads to increased cell turnover, flaking, and itching. Other contributors include dry scalp, sensitivity to hair products, seborrheic dermatitis, and psoriasis. The most effective anti-dandruff routines use active ingredients that target the root cause: antifungal agents like zinc pyrithione, ketoconazole, and selenium sulfide fight the Malassezia yeast. Salicylic acid helps break up and remove flakes. Coal tar slows cell turnover. Tea tree oil has natural antifungal properties. Many dermatologists recommend rotating between different active ingredients to prevent the yeast from adapting. A good anti-dandruff routine also keeps the scalp moisturized and balanced because an overly dry scalp worsens flaking.
Use this guide to choose products for your main concern and build them into a repeatable routine. Aim for improvement while protecting hair integrity, so solving one problem does not create another.
Start with the job each product needs to do, then choose a weight and format that fit the scalp, strand thickness, and styling plan. A useful routine rarely needs every category at once.
Keep in mind: Cosmetic products can support cleansing, conditioning, styling, and breakage reduction, but persistent scalp symptoms or hair loss need an accurate diagnosis. Seek clinical advice for sudden shedding, bald patches, pain, or worsening symptoms.
Next step
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