Perfume intolerance

Symptoms may include allergic contact dermatitis, asthma attacks, headaches, and others.

This gives a positive patch-test reaction in about 10% of tested patients with eczema, and the most recent estimates show that 1.7–4.1% of the general population are sensitized to ingredients of the fragrance mix.

[citation needed] Two studies show that inhalant-like allergies and sensitivity/intolerances are experienced by a subset of the US population, in the form of asthma and chemical sensitivities.

An estimated 1.7–4.1% of the general population shows a contact allergic response to a mix of common perfume ingredients.

[7] Although products can be labeled "fragrance-free", many still contain lesser-known fragrance chemicals that consumers may not recognize.