Fragrance and Preservative Contact Allergens in Cosmetic and Household Cleaning Products in Turkey: Variation by Target Population, Product Type and Manufacturing Origin.

Cosmetics had significantly higher number of fragrance ingredients and fragrance loads than cleaning products.

Paediatric products contained fewer fragrance and preservative ingredients than adult products.

Anti-dandruff shampoos had higher allergen loads than regular shampoos.

Fragrance and preservative loads were weakly correlated (Spearman's rho = 0.260, p < 0.001).