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Acquired partial lipodystrophy (APL), also known as Barraquer-Simons syndrome, is a rare disorder characterized by progressive fat loss in the upper body. Use of poly-L-lactic acid and hyaluronic acid (HA) fillers for the treatment of APL is neither approved by the Food and Drug Administration nor described in the literature. Herein, we describe a case of APL that achieved significant improvement in facial volume following treatment with combination poly-L-lactic acid and HA fillers. [ABSTRACT FROM AUTHOR]

Permanent makeup (PMU) is a popular form of tattooing used to replace or enhance the use of daily makeup. The purpose of this literature review is to provide an overview of PMU, with a particular focus on its use, regulation, and potential complications reported in the literature. In the United States, there is significant variation in the regulation and training required to perform PMU. Adverse outcomes of PMU include infectious, allergic, and inflammatory complications. These complications may be more common if proper hygiene and aftercare practices are not followed. Cosmetically, PMU may shift or have an altered appearance if the underlying skin is treated with cosmetic fillers or local anesthetics. Given the popularity of PMU and its cosmetic uses, dermatologists should be aware of the PMU industry, potential complications, and how best to manage complications., Competing Interests: Conflicts of interest None disclosed., (Copyright © 2024 American Academy of Dermatology, Inc. Published by Elsevier Inc. All rights reserved.)

Background: Decorative tattoos are known to contain ingredients that may elicit allergic contact dermatitis; it is less well-known if permanent makeup pigments carry the same risk., Objective: Identify pigments used in permanent makeup inks sold in the United States and review cases of allergic contact dermatitis to these pigments., Methods: Using internet searches, permanent makeup inks sold in the United States were identified. Safety data sheets were used to catalog pigments used in permanent makeup. A subsequent literature search was performed to identify cases of allergic contact dermatitis to these pigments., Results: A total of 974 permanent makeup inks were reviewed, and 79 unique pigments were identified. The average product contained 4 pigments. Twenty of the pigments were inorganic metals, including carbon, iron, chromium, manganese, and molybdenum. Fifty-nine pigments were organic, of which most were azo, quinacridone, or anthraquinone dyes. A literature search revealed that 10 of the 79 pigments were associated with allergic contact dermatitis., Conclusion: Permanent makeup primarily uses organic pigments, although some metallic pigments are still used. Physicians should also be aware that some of these pigments-both organic and inorganic-are known causes of allergic contact dermatitis. Of note, patch testing to these ingredients can be negative., Competing Interests: Conflicts of interest None disclosed., (Copyright © 2024 American Academy of Dermatology, Inc. Published by Elsevier Inc. All rights reserved.)

There are certain demographic characteristics that may serve as risk factors for exposure to a contact allergen. Volatile alkyl nitrites, colloquially known as "poppers," are commonly inhaled by men who have sex with men (MSM) for their psychoactive and muscle-relaxing effects. They have been reported to cause either allergic contact Dermatitis® (ACD) or irritant contact Dermatitis® (ICD), termed "poppers Dermatitis®." We searched PubMed, Embase, and Web of Science to understand the patient population, clinical presentation, diagnosis, and clinical course of poppers Dermatitis®. Our search returned 13 articles detailing 18 patients total. Most patient cases were male ( n  = 13/15; 87%), of whom 5 were MSM. The reports on the remaining 8 men did not disclose their sexual behaviors. The chemicals deemed responsible for adverse cutaneous side effects included amyl nitrite (6/18; 33%), butyl nitrite (3/18; 167%), isobutyl nitrite (2/18; 11%), and an unspecified alkyl nitrite (7/18, 39%). The most common diagnosis was ICD (10/18; 56%). Only 3 patients underwent alkyl nitrite patch testing, with 2 testing positive for ACD. The most commonly involved anatomic sites were perinasal (13/18; 72%) and perioral regions (10/18; 56%). Rash morphology has been described as yellow crusting, impetigo-like, eczematous, vesicular, edematous, and erythematous. Ulceration can occur with direct skin contact to concentrated nitrite solution. Poppers Dermatitis® was often self-limited with complete resolution. Dermatologists should consider poppers Dermatitis® in those presenting with a characteristic midfacial rash, especially in MSM.

Competing Interests: Conflicts of interest None disclosed.

Competing Interests: None disclosed.