Common sizes range from travel to full bottles. Typical examples include 2, 3, and 4 fl oz for travel or sample sizes, and 8, 12, and 16 fl oz for full-size bottles.
Many product descriptions and user reviews report a noticeable cooling or tingling sensation — often described as "cooling" or "tingly" — when applied to the scalp.
Tea tree dandruff products are marketed for a range of hair types, including textured and natural hair, dry or sensitive scalps, and general "normal" or all-hair-type formulations; many are also promoted as suitable for protective styles.
Product descriptions typically say they fight dandruff and seborrheic dermatitis, relieve scalp itch, flaking, and irritation, remove buildup, and help moisturize or soothe the scalp.
Review summaries commonly report noticeable and often rapid improvement — reduced itching and flakes within days or after a few uses — with many reviewers reporting sustained benefits over time.
They’re applied either as leave‑on treatments (oils or hot‑oil massage products) that are massaged into the scalp, or as rinse‑off cleansers (shampoos and co‑washes) that are massaged in and rinsed out.