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Lactic acid cream can help improve skin bumps known as eruptive vellus hair cysts.

This article presents a case of a 45-year-old African American man with firm, hyperpigmented papules and pustules on his cheeks and neck, persisting despite various shaving methods.

This case report describes a 7-year-old boy with pityriasis versicolor presenting as scalp hypopigmentation, a rare distribution for this fungal infection. Diagnosis was confirmed via Wood's lamp examination and microscopy, and the condition resolved after treatment with topical terbinafine hydrochloride cream.

This case report describes a unique instance of an otherwise healthy infant with phylloid terminal hair nevus, a form of hypomelanosis without extracutaneous abnormalities.

This case study describes the clinical presentation and diagnostic findings of an 80-year-old woman with Cronkhite-Canada syndrome.

This report discusses two cases of sarcoidosis with cutaneous manifestations that posed a diagnostic challenge, without presenting new clinical results.

This report suggests that in vitiligo, melanocytes may be destroyed by the same factors necessary for melanin production, contributing to the skin's depigmentation.

This review discusses the applications of the 308-nm excimer laser in treating various dermatologic conditions and suggests treatment is generally well tolerated, but calls for larger long-term studies.

This abstract contains no research findings; it describes website service information and options for accessing content from JAMA Dermatology.

This case report describes a male infant born to a mother with systemic lupus erythematosus, presenting with neonatal lupus, who improved with conservative management and whose skin lesions resolved by 6 months of age.

This case study describes a 64-year-old woman with sarcoidosis who experienced scalp alopecia and hypopigmented patches, which improved with topical clobetasol propionate.

The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.

This case report describes reversible hypopigmentation of hair in a child due to vitamin B12 deficiency, which improved after vitamin B12 supplementation.

This case series reports the specific dermoscopic features observed in two patients with syphilitic alopecia, highlighting alopecic patches with empty hair follicles and other distinguishing characteristics that may aid in differentiating it from other hair disorders.

This study suggests that using a dermoscope, a handheld microscope, can effectively help distinguish between Pityrosporum folliculitis and Acne vulgaris by revealing unique lesion characteristics that are not visible to the naked eye, offering a practical diagnostic alternative when KOH examinations are unavailable.

In this study, researchers observed that in mice, as they age beyond 200 days, unusual curved hair follicles and increased white hairs emerge, indicating stem cell-related changes in keratinocyte and melanocyte characteristics, providing insights into hair aging processes.

This review discusses changes in hair follicle characteristics and stem cell dynamics as indicators of aging in mice, noting increased occurrences of white hairs and curved hair follicles at older ages.

This case study presents a 9-month-old male infant with symptoms suggesting a likely diagnosis of Hay–Wells syndrome, including severe scalp crusting, nail abnormalities, and partial syndactyly.

In this study, γ-ray exposure in mice decreased hair follicle density and pigmentation, suggesting damage to stem cells affecting hair follicle regeneration.

In this study, γ-ray irradiation in mice during the first telogen phase led to decreased hair follicle density and pigmentation anomalies, suggesting damage to stem cells and progenitors for keratinocytes and melanocytes.

This study observed that trichoscopic changes associated with EGFRI treatment include pili torti and asymmetric hyperpigmented fusiform widening, along with dermoscopic skin manifestations such as scale and branching vessels.

This report describes a rare case of a three-day-old male with ichthyosis hystrix type of epidermal nevus, featuring specific skin and hair symptoms but no nail or skeletal abnormalities.

This chapter reviews trichoscopic-pathologic correlations in Frontal Fibrosing Alopecia and reports no new clinical results; the authors discuss genetics, clinical patterns, and unusual variants associated with this condition.

This study found that hyperpigmented skin changes resembling Schamberg’s purpura occur in areas affected by CRPS and can also appear on mirror-image locations of unaffected limbs, potentially improving with the condition's treatment.

This case report highlights a rare instance of CD8-positive hypopigmented mycosis fungoides causing alopecia areata-like changes, emphasizing the necessity of scalp biopsy in such presentations.

This case study describes a 21-year-old male diagnosed with Becker's nevus, characterized by hyperpigmented and hypertrichotic lesions that developed over several years.

In this study, researchers found that among women with frontal fibrosing alopecia and hyperpigmented facial lesions, most cases were diagnosed with lichen planus pigmentosus, while some were identified as melasma or drug-induced.

This case report describes an 18-year-old male with a rare acquired smooth muscle hamartoma on his face, characterized by hyperpigmented plaques and increased hair growth, suggesting a histological overlap with folliculosebaceous cystic hamartoma.

This report describes a case of a 4-year-old boy diagnosed with linear alopecia areata, characterized by patchy hair loss and associated with unique hyperpigmented skin lesions.

This case report describes a rare instance of cutaneous focal mucinosis in a 12-year-old Chinese girl, presented as a hypopigmented plaque on her chin.