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This study found that a small number of patients with essential oil allergies could be missed if only standard fragrance tests are used, suggesting the need for specific testing and careful product inspection.

In this study, patients with scalp seborrheic dermatitis exhibited distinct patterns of allergen sensitization tied to symptoms, impaired skin barrier, and altered microbiota, emphasizing the need to consider allergen exposure, barrier status, and microbial balance when interpreting patch test results.

Recognizing new allergens can help reduce contact dermatitis cases.

Avoiding certain allergens in personal care products may improve symptoms for some patients with lichen planopilaris or frontal fibrosing alopecia.

This study analyzed patch test results to identify allergens causing scalp contact dermatitis, finding nickel, cobalt, and balsam of Peru among the most common in the patient population.

This study identifies important differences in allergens found in hair products marketed for ethnic hair compared to nonethnic hair, with fragrances being the most common allergen in ethnic products.

Avoiding certain fragrances improved the man's skin condition.

This compilation on contact and occupational dermatology in the Asia-Pacific region discusses various allergens and irritants without reporting new clinical findings.

This study found that "clean" shampoos are less likely to contain allergenic preservatives compared to traditional shampoos, but both types use fragrance equally, which can be irritating or allergenic.

This study identified the most common allergens in hair products linked to scalp allergic contact dermatitis, with hair dyes, shampoos, and conditioners primarily associated with the condition.

This review discusses side effects and allergy contact dermatitis caused by essential oils in cosmetic products and reports no new clinical results.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

Results are not reported in this source. The abstract does not provide a summary or findings from the Australasian Journal of Dermatology regarding contact dermatitis.

This review discusses the chemical processes involved in hair styling and straightening and reports no new results; the authors highlight pregnancy safety with hair treatments during pregnancy.

In their review, the authors discussed the increasing issue of allergies to hair products, highlighting common allergens such as hair dyes and topical minoxidil, and outlined diagnostic methods and alternatives for those affected, particularly addressing higher risks among hairdressers due to professional exposure.

Linalool in fragrances may harm hair follicles and contribute to hair loss.

This case study observed that three girls with alopecia experienced complete hair regrowth after avoiding balsam of Peru and related fragrances, suggesting contact allergy played a role in their hair loss.

This article discusses contact dermatitis linked to alopecia and hyperpigmentation, but it reports no new clinical results.

This report summarizes data from The Netherlands' cosmetovigilance system from 2009-2014, finding that facial and hair products commonly caused undesirable skin reactions like erythema and itching, with severe cases occasionally involving hair loss and respiratory issues.

This review highlights that hair care products can cause adverse effects like irritation dermatitis and allergic contact eczema but does not report new clinical findings.

This study suggests that allergens like linalool found in personal care products may contribute to the pathobiology of frontal fibrosing alopecia by affecting immune responses and stem cell function in hair follicles.

Cellulite may be linked to low adiponectin, isotretinoin with UVB can treat psoriasis effectively, permanent alopecia post-chemotherapy resembles a unique hair loss, deodorants may cause fragrance allergies, desmoplastic melanoma is becoming more common, and intensive UVB treatment can give long-term psoriasis remission.

This narrative review found that fragrances and isothiazolinone preservatives in deodorants are key contributors to skin sensitization, while magnesium hydroxide shows promise as a less irritating alternative for managing body odor without blocking sweat ducts.

This study suggests that linalool, a common allergen in personal care products, may contribute to frontal fibrosing alopecia pathogenesis by triggering immune responses and depleting hair follicle stem cells, especially in sensitized individuals.

This review discusses the adverse effects of hair care products, highlighting irritation dermatitis and allergic contact eczema due to common allergens like paraphenylenediamine and glycerol monothioglycolate, but reports no clinical results.

This review explores the concept of cosmetic toxicity in Ayurveda, focusing on chemical hazards in cosmetics and their management, but provides no new clinical findings.

Some moles can disappear naturally, maintenance therapy for Stage 1 mycosis fungoides may not be necessary, allergic skin reactions in children are rising, weekly methotrexate for psoriasis is more effective than daily, long-term finasteride use improves hair growth with few side effects, and petrolatum improves UV therapy for psoriasis.

This study found that mixtures used in permanent hair dyes had irritant effects on reconstructed human epidermis, while individual ingredients alone did not.

This case report describes a patient with an allergic sensitization to minoxidil, indicating that such patients should pursue alternative therapies to treat androgenetic alopecia.

This article discusses the connection between product use, contact dermatitis, and frontal fibrosing alopecia and reports no new findings; the authors emphasize the need for more research to improve patient outcomes.