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J Am Acad Dermatol. 2002 Dec;47(6):852-5.

Treatment of dandruff with 5% tea tree oil shampoo.

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1
Department of Dermatology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia.

Abstract

BACKGROUND:

Dandruff appears to be related to the yeast Pityrosporum ovale. Tea tree oil has antifungal properties with activity against P ovale and may be useful in the treatment of dandruff.

OBJECTIVE:

We conducted a randomized, single-blind, parallel-group study to investigate the efficacy and tolerability of 5% tea tree oil and placebo in patients with mild to moderate dandruff.

METHODS:

One hundred twenty-six male and female patients, aged 14 years and older, were randomly assigned to receive either 5% tea tree oil shampoo or placebo, which was used daily for 4 weeks. The dandruff was scored on a quadrant-area-severity scale and by patient self-assessment scores of scaliness, itchiness, and greasiness.

RESULTS:

The 5% tea tree oil shampoo group showed a 41% improvement in the quadrant-area-severity score compared with 11% in the placebo group (P <.001). Statistically significant improvements were also observed in the total area of involvement score, the total severity score, and the itchiness and greasiness components of the patients' self-assessments. The scaliness component of patient self-assessment improved but was not statistically significant. There were no adverse effects.

CONCLUSION:

Five percent tea tree oil appears to effective and well tolerated in the treatment of dandruff.

PMID:
12451368
DOI:
10.1067/mjd.2002.122734
[Indexed for MEDLINE]
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