January 2004 in “Side effects of drugs annual” 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.
April 2019 in “Journal of the Endocrine Society” A woman with severe hypothyroidism had a rare skin condition usually linked to a different thyroid disease.
10 citations,
December 2020 in “Dermatitis” Ethnic hair products contain different allergens than nonethnic ones, with fragrance being the most common in ethnic products.
October 2022 in “Journal of the American Academy of Dermatology” "Clean" shampoos use fewer allergenic preservatives than traditional ones but still contain fragrances, and their actual risk of causing skin reactions is unclear.
August 2008 in “Current Opinion in Internal Medicine” In 2007, prostate cancer research improved understanding of risk, diagnosis, and treatment, but also showed heart risks with certain therapies and the need for personalized care.