DanTasia Welch

The Comparison A. Alopecia areata in a young girl with a lighter skin tone. The fine white vellus hairs are signs of regrowth. B. Alopecia areata in a 49-year-old man with tightly coiled hair and darker skin tone. Coiled white hairs are noted in the alopecia patches. Alopecia areata (AA) is a common autoimmune condition characterized by hair loss resulting from a T cell–mediated attack on the hair follicles.

THE COMPARISON A. Pustules, erythematous to violaceous nodules, and hyperpigmented patches on the lower cheek and chin. B. Brown papules, pink keloidal papules and nodules, pustules, and hyperpigmented papules on the mandibular area and neck. C. Coarse hairs, pustules, and pink papules on the mandibular area and neck. Pseudofolliculitis barbae (PFB), also known as razor bumps, is a common inflammatory condition characterized by papules and pustules that typically appear in the beard and cheek regions.

The Comparison A. Alopecia areata in a young girl with a lighter skin tone. The fine white vellus hairs are signs of regrowth. B. Alopecia areata in a 49-year-old man with tightly coiled hair and darker skin tone. Coiled white hairs are noted in the alopecia patches. Alopecia areata (AA) is a common autoimmune condition characterized by hair loss resulting from a T cell–mediated attack on the hair follicles.