19 citations
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February 2015 in “Contact dermatitis” Avoiding certain fragrances improved the man's skin condition.
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.
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 2024 in “Curēus” Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
17 citations
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August 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.