BLUE, DISPERSE BLUE DYES: Allergen or Not An Allergen?
Allergen Disperse Blue Dyes These dyes are top contact allergens, and big ones. The American Contact Dermatitis Society named Disperse Blue Dyes Contact Allergen of the Year in 2000. You’ll tend to see these pop up on your patch test results as disperse blue 106 and disperse blue 124. Note that textile allergens are not in […]
BASKET: Allergen or Not An Allergen?
Not An Allergen Basket There are some caveats for sure, but generally speaking there are few to no top contact allergens in a simple basket with natural, untreated, and uncolored fibers that is woven by hand. Some of the top contact allergens to watch out for: Items with shine as that could suggest a resin […]
FLAVORING: Allergen or Not An Allergen?
Allergen Flavoring While there are some natural extracts like ginger root that are not top contact allergens, many flavors (natural or not) found in foods, beverages, and oral care products are. These include mint, eucalyptus, lemon, orange, Balsam of Peru — this last allergen has several components and cross reactants that should be avoided, too, […]
FOOD COLORING: Allergen or Not An Allergen?
Allergen Food Coloring While some foods that naturally have a beautiful coloring (like the purple yam ube or yellow turmeric) might be ok, many colorants added to foods are dyes and dyes are top contact allergens. For the most part, food and skin allergies are not the same. They involve different cells and systems — […]
PLASTIC: Allergen or Not An Allergen?
Not An Allergen … but be cautious Plastic This is an interesting call. As a rule, plastics contain lots of allergens like dyes, acrylates, benzophenones, resorcinol monobenzoate, isocyanate (in polyurethane foam, glue, resins), etc. and plastics are everywhere — yet reports of reactions to plastic items are rare. There are some case studies of allergic […]
SHOES: Allergen or Not An Allergen?
Allergen Shoes So many types of footwear (sandals, pumps, boots, sneakers, water socks, etc.) have so many top contact allergens that most would be considered prime suspects behind skin problems on the feet. Some of the more common culprits include: Rubber (and therefore thiuram) Dyes and paraphenylenediamine (PPD) Leather Formaldehyde (in preservatives but also in […]
PEARL (Boba or Tapioca): Allergen or Not An Allergen?
Not An Allergen … but may cross react Pearl (Boba or Tapioca) Bubble tea (also called milk tea or milk boba tea) is a Taiwanese drink that has taken the world by storm. The signature “pearls” in the drink are made of tapioca which, when uncolored and unflavored, is not a top contact allergen. That […]
PPD (Paraphenylenediamine): Allergen or Not An Allergen?
Allergen PPD (Paraphenylenediamine) American Contact Dermatitis Society‘s Allergen of the Year in 2006, PPD or paraphenylenediamine is no joke, especially in hair dye, where it’s most known for causing trouble. This is not surprising considering how severe some reactions can be and how hard it is to find an alternative. PPD may be “just one ingredient” but […]
FACIAL CLEANSING BRUSHES: Allergen or Not An Allergen?
Allergen … irritant & acnegen, too Facial Cleansing Brushes Popular for their surface exfoliation and deeper clean, facial cleansing brushes are not without risks to the skin. The gadgets themselves would not appear in published lists of top contact allergens but many of their materials would. Silicone bristles could be ok unless they’re rubberized silicone […]