What is it?

Hydroxycitronellal or 7-hydroxy-3,7-dimethyloctanal has the chemical formula C10H20O2.” Hydroxycitronellal wikipedia

Is hydroxycitronellal safe?

This ingredient belongs to the groups:

Hydroxycitronellal allergy

This fragrance chemical is classified as a frequent and well-recognized allergen in CosIng, the European Commission database for information on cosmetic substances and ingredients.

Also, the Swedish Society for Nature Conservation (SSNC) list this ingredient as causing allergies.

Because of its allergenic properties, it is restricted for use in cosmetics in the European Union. “Maximum concentration in ready for use preparation” is restricted to 1.0 %.

Contrary to what some believe, hydroxycitronellal is not banned for use in cosmetics within the European Union, only restricted.

Other hydroxycitronellal dangers

The European Chemicals Agency (ECHA) classifies this ingredient as “toxic to aquatic life with long-lasting effects, causes serious eye irritation and may cause an allergic skin reaction.”

Hydroxycitronellal in cosmetics

Hydroxycitronellal is used as a fragrance ingredient and fragrance enhancer in many cosmetic products*. Hydroxycitronellal in its natural form can be found in plants such as lavender.

However, when present in consumer products, including cosmetics, it is most likely a synthetical version. Synthetical produced from the naturally occurring fragrance chemical citronellal (not to be confused with citronellol).

The chemical has a sweet floral odor and is commonly found in:

  • perfumes
  • colognes
  • fragrances
  • hair products
  • skin care products
  • oral products.

We use the European Commissions definition of Cosmetics:
“Cosmetics range from everyday hygiene products such as soap, shampoo, deodorant, and toothpaste to luxury beauty items including perfumes and makeup”.

Did you find this ingredient in a product?

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