Quick answer
Skin-sensitizing fragrance used for its floral scent; Derived from the volatile fragrant compound citronellol; EU-identified as a “fragrance allergen”; Also used in other personal hygiene and care products
Hydroxycitronellal
Updated
7-Hydroxycitronellal
Purpose
Synthetic fragrance compound with a floral scent that’s derived from the volatile citronellol. It can cause skin sensitization.
Rating
WORST
Category
Fragrance: Synthetic and Natural, Irritant
INCI Purpose
PERFUMING
Risks
Alternative Names
At a Glance
Skin-sensitizing fragrance used for its floral scent
Derived from the volatile fragrant compound citronellol
EU-identified as a “fragrance allergen”
Also used in other personal hygiene and care products
Article
Hydroxycitronellal is a skin care ingredient that primarily serves as a perfuming agent. This synthetic fragrance is derived from the volatile fragrant compound citronellol and has a floral scent with undertones of citrus.
Hydroxycitronellal prompts skin sensitization in certain individuals, which can lead to bumps, redness and itchiness. Due to the reactions it can incur, hydroxycitronellal been identified as one of the European Union’s “26 fragrance allergens.” These fragrances must be listed by name on products that they’re included in and cannot simply be labelled as “parfum” or “fragrance.”
Beyond skin care, hydroxycitronellal is also used in the hair and body care industries at a maximum concentration of 3.6%.
See: Citronellol
References