research Photopatch and patch testing in 63 patients with frontal fibrosing alopecia: a case series 24 citations , July 2018 in “British Journal of Dermatology” Contact allergies might contribute to frontal fibrosing alopecia.
research Contact Dermatitis Caused by Topical Minoxidil: Case Reports and Review of the Literature 4 citations , March 1991 in “Dermatitis” Minoxidil can cause skin reactions, so testing is important for those with side effects.
research Ammonium bisulfite contact dermatitis: face eczema due to a bleaching ointment used during hair‐dying 5 citations , July 2006 in “Contact dermatitis” Ammonium bisulfite in hair bleach can cause facial eczema.
research Patch testing and contact allergen avoidance in patients with lichen planopilaris and/or frontal fibrosing alopecia: A cohort study 35 citations , January 2020 in “Journal of the American Academy of Dermatology” Avoiding certain allergens in personal care products may improve symptoms for some patients with lichen planopilaris or frontal fibrosing alopecia.
research Allergens and Irritants October 2001 in “WORLD SCIENTIFIC eBooks” Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.