Note the white attachments to the hair.

Trichomycosis represents attachment and growth of the bacteria Corynebacterium tenuis, propinquum and others to the hair shaft. The appearance is that of a thick, white coat. It may occur in the axilla or groin. When it occurs in the axilla, the term trichomycosis axillaris is used.

Some patients may be affected by the so called corynebacterial triad:


A yellowish-white coating of multiple hairs is seen.


No treatment is needed. Clindamycin topically or shaving may be done. Hyperhidrosis can predispose, so the use of topical aluminum chloride solution 15-20% QHS may be recommended.

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