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Hydroxycitronellal

Rating: average average
INCI name
HYDROXYCITRONELLAL
Alternative names
Hydroxcitronellal
Origin
Chemical, Different
Definition
7-hydroxycitronellal, 7-Hydroxy-3,7-dimethyloctanol
INCI function
Masking
The INCI function describes solely the purpose of a cosmetic ingredient. It does not reveal its actual effects and skin compatibility. You'll find these and other characteristics below.
Characteristics
  • Rating: bad kann allergisieren
  • Rating: average Scent ingredient, must be declared on ingredients list
  • Rating: average Reduces or inhibits the basic odour or taste of the product
CAS-No.
107-75-5
EINECS/EILINCS-No.
203-518-7

Studies, literature and statements on Hydroxycitronellal

  • Springer Lexikon Kosmetik, page 204

    Scent ingredient. Smell: Lily of the Valley.

  • Enzyklopädie der Dermatologie, page 134

    Perfume belongs to the 20 most-frequent allergens.

  • Bundesamt für Verbraucherschutz

    Description of scent materials for perfume (aroma and scent materials) must in contrast to other ingredients not be individually called out, but can be included under the name ‘perfume,’ or ‘aroma.’ In order to protect people who are allergic or oversensitive to specific aroma materials, the obligation for descriptions was extended in 2005. Now, 26 aroma materials must be individually designated. Included in this are above all the materials which cause the most allergies in people across Europe. The consumer is able to avoid products with materials which cause allergic reactions. These shown in the following table have materials* which must be given on the ingredients list, if their contents in products which are either washed away after use (shower gel, shampoo, soap) compose 0.01% or more

    • in products which remain on the skin or hair (crème, perfumes, hair gel) 0.001% Under this contents one can assume that no allergic reactions will appear with the use of the cosmetic materials.
  • Chemisches u. Veterinäruntersuchungsamt Karlsruhe

    For the description of scent materials the same regulations apply as those which have applied for years for the described components according to paragraph 5a, section 2 of the cosmetic regulations: They must be described in increasing level according to their weight at the time of their manufacture of the cosmetic materials, and then afterwards can be given as contents of less than 1% without an ordering in the ingredients list by weight. The scent materials are therefore found in most products in the lower part of the components list. The following materials are impacted by this regulation, independent of whether they are synthetic scent perfume components, or whether they e. g. contain natural components from etheric oils in cosmetics (listing in alphabetical order with the INCI description, as they would be used in the components list):

    ALPHA-ISOMETHYL IONONE; AMYL CINNAMAL; AMYLCINNAMYL ALCOHOL; ANISE ALCOHOL; BENZYL ALCOHOL; BENZYL BENZOATE; BENZYL CINNAMATE; BENZYL SALICYLATE; BUTYLPHENYL METHYLPROPIONAL; CINNAMAL; CINNAMYL ALCOHOL; CITRAL; CITRONELLOL; COUMARIN; EUGENOL; EVERNIA FURFURACEA EXTRACT; EVERNIA PRUNASTRI EXTRACT; GERANIOL; FARNESOL; HEXYL CINNAMAL; HYDROXYCITRONELLAL; HYDROXYISOHEXYL-3-CYCLOHEXENE CARBOXALDEHYD; ISOEUGENOL; LIMONENE; LINALOOL; METHYL 2-OCTYNOATE

  • Allergie, Umwelt und Gesundheit

    Legal regulations and limits

    Duty of declaration

    An estimated 1 to 3% of Europeans currently suffer from allergic reactions to fragrances. For this reason, fragrances must be declared if at least 0.001% of the substance is contained in a product which remains on the skin (“leave-on” product). A limit of 0.01% applies to cosmetics that are rinsed off (“rinse-off” products) (IKW Industrieverband Körperpflege- und Waschmittel e.V., 2004).

    Generally, fragrances are marked with the collective terms of “perfume,” “fragrance,” “aroma,” or "flavor.”

    The 26 fragrances declared to have very high allergy potentials are exceptions to this. They must be individually listed on the packaging. Usually, the INCI name (International Nomenclature of Cosmetic Ingredients) is specified. The indication of these fragrances allows both doctors and affected persons to identify and avoid substances with allergenic potential.

    In recent years, experts have identified another 30 chemicals and 26 natural extracts that may cause contact dermatitis and recommended limits for them. When these limits are adhered to, it is assumed that people allergic to the substances will not suffer from allergic reactions when using cosmetics with the aforementioned ingredients and that people not allergic to them will be protected against the development of allergies. An EU committee is currently examining whether and how the previous limits will be newly regulated at the European level. The committee is also examining whether the recently identified fragrances will be included in the list of declarable fragrances.

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