Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
December 2025 in “Applied and Computational Engineering” Hair dyes can be harmful, but risks vary by person and can be reduced.
July 2026 in “International Journal of Applied Pharmaceutics” Hair dyes, especially with PPD, can cause skin and rare systemic reactions, and safer alternatives are needed.
98 citations
,
November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
Hair care products can cause skin irritation and allergies.