Hydroxycitronellal (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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7-hydroxy-3,7-dimethyl-1-octanal; CAS number: 107-75-5

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Hydroxycitronellal is found in some essential oils, but is also produced synthetically by hydrating citronellal. It has a sweet, floral fragrance reminiscent of lilac, lily, linden or lily of the valley.

Furthermore, the substance is also used in food as a flavour enhancer. Hydroxycitronellal has a low sensitization potential.

In the usual epicutaneous test series Hydroxycitronellal is contained in a 1% application form (Vaseline).

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  1. Svedman C et al (2003) Deodorants: an experimental provocation study with hydroxycitronellal. Contact dermatitis 48:217-223


Last updated on: 29.10.2020