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Routine Dermatology

Mind the Gap atlas

Vitiligo on Black skin

Key cue: Chalk-white patches with sharp borders, usually symmetric. Contrast against Black skin is high; psychosocial impact is significant. Treatment works, early dermatology referral matters.

Vitiligo is an autoimmune depigmenting skin disease affecting about 1% of the global population. While the prevalence is similar across racial groups, the visibility and psychosocial impact on Black skin are vastly higher, contrast between depigmented patches and pigmented surrounding skin is much greater, and vitiligo in Black communities is associated with significant stigma and mental-health burden.

What it actually looks like

Textbook says

Textbook: well-demarcated milk-white (depigmented) macules and patches, most commonly in periorificial areas (around eyes, mouth), dorsa of hands, axillae, groin, and over joints. Typically symmetrical (non-segmental vitiligo); segmental form follows a dermatomal distribution and is usually unilateral.

On Black skin

On Black skin the diagnostic features are actually more obvious, but several points deserve attention:

  • Depigmentation is dramatic, a chalk-white or milk-white patch against Black skin. A Wood's lamp examination (long-wave UV) highlights depigmentation and helps distinguish vitiligo from post-inflammatory hypopigmentation.
  • Trichrome vitiligo, a transition zone of intermediate pigment between the depigmented centre and normal skin, is seen more commonly on Black skin and is highly specific.
  • Koebner phenomenon, new vitiligo lesions at sites of skin trauma (scratches, friction, surgical incisions), is common; protect the skin.
  • Associated autoimmune conditions (thyroid disease, type 1 diabetes, Addison's disease, pernicious anaemia) are more common, ask for TSH and fasting glucose screening.
  • Effective therapies: topical corticosteroids, topical calcineurin inhibitors (tacrolimus, pimecrolimus, preferred for face), narrowband UVB phototherapy, excimer laser, and, since 2022, topical ruxolitinib (FDA-approved). Combination therapy works best. Early treatment is more effective.
  • Psychosocial support is critical. Vitiligo on Black skin carries significant stigma in many communities; connect with Global Vitiligo Foundation resources and peer support.

What to look for

  • Milk-white patches, typically symmetric, on the face, hands, feet, or around body orifices.
  • Spreading or new patches.
  • Patches at sites of injury or friction.
  • Hair turning white in a patch on the scalp, eyebrows, or lashes (leukotrichia), a sign the follicle melanocytes are affected and treatment response may be slower.

When to seek care

Schedule a dermatology referral within a few weeks. Early treatment (within the first 1-2 years of onset) has the best repigmentation response. Ask for Wood's lamp examination, TSH, and fasting glucose.

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Common misdiagnosis

On Black skin, vitiligo is sometimes confused with: post-inflammatory hypopigmentation (usually has history of inflammation and the patches have indistinct edges); pityriasis alba (usually on children's faces, mild scale, less sharp edges); tinea versicolor (positive KOH prep, fine scale); hypopigmented sarcoidosis (patches can feel firm on palpation); leprosy (very rare in the US; patches have decreased sensation).

See it for yourself, curated external imagery

We don't host clinical photos here. The links below go to peer-reviewed or open-access sources (Mind the Gap, DermNet NZ, PubMed Central, and similar). Each opens in a new tab.

References

  • Ezzedine K, Eleftheriadou V, Whitton M, van Geel N. Vitiligo. Lancet. 2015;386(9988):74-84. PMID: 25596811.
  • Rashighi M, Harris JE. Vitiligo pathogenesis and emerging treatments. Dermatol Clin. 2017;35(2):257-265. PMID: 28317534.
  • Rosmarin D, Passeron T, Pandya AG, et al. Two phase 3, randomized, controlled trials of ruxolitinib cream for vitiligo. N Engl J Med. 2022;387(16):1445-1455. PMID: 36260766.

Medical disclaimer

Educational content only. This is not a substitute for in-person evaluation. If you are worried about yourself or someone you love, see a clinician, and if you are concerned about an emergency sign described here, call 911 or your local emergency number. We do not host clinical imagery; the external references are for reader self-education and are not owned by or affiliated with Black Health.

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