Allergen Quaternium-15 Ever present in standard patch test trays, this popular preservative is a top contact allergen and related to another: formaldehyde (which was the American Contact Dermatitis Society’s Allergen
Allergen Flower Extracts, Flowers Perhaps not all flowers are top contact allergens (butterfly pea flower is an exception, for example) but there are so many that it is prudent to
Not An Allergen LED Light Therapy The jury is still out on efficacy and long-term effects but LED light therapy (more correctly called photobiomodulation or PBM) is not a top
Allergen Sulfites (not sulfAtes) Chosen by the American Contact Dermatitis Society as Allergen of the Year in 2024, no less! SulfItes are not SulfAtes First, an important clarification: sulfItes and
Not An Allergen Potassium Azeloyl Diglycinate This derivative of the clinically-proven active ingredient azeleic acid mixed with the amino acid glycine is very well tolerated by skin and has several
Not An Allergen Coconut Frond (Leaves) Somewhat surprising because so many plants are contact allergens — only somewhat, however, because coconut and pure virgin coconut oil are not top skin
Allergen Bandages, Medical Tapes, Wound Dressings, Transdermal Patches So many bandages, plasters, medical tapes, dressings and medical devices contain or are made of top contact allergens. BUT they can be
Allergen Colophony (Rosin) This top skin allergen comes from the sap of pine, spruce, and other coniferous trees (a residue of the distillation of turpentine). Its stickiness is so useful
Allergen Linalool This natural fragrance, like limonene, is an allergen on its own, becomes a more potent allergen with oxidation, and is a component of other fragrances. Linalool is found
