Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde

Hydroxyisohexyl 3-cyclohexene carboxaldehyde (Lyral) is a synthetic fragrance once popular for its soft floral note. It perfumes products, but its use is now discouraged because of high sensitization risk and bans in the EU/UK.
Like this ingredient?

Ingredient Snapshot

Overview
A floral fragrance now avoided due to its high allergy risk.
Category
Fragrance
Type
Fragrance

Ingredient Ratings

Overall Rating

Poor

Comedogenic Risk

None

Skin Benefits

Imparts a soft floral aroma but carries a higher risk of sensitization and is restricted or avoided in many markets.

Uses In Skincare & Cosmetics

Previously used in perfumes, body lotions, and shower gels; many modern formulations exclude it or replace it with alternative fragrance materials.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

High irritation and allergy potential, especially for fragrance-sensitive individuals. Banned in the EU/UK for cosmetic use; many brands avoid it globally. Those with perfume allergies should steer clear.

Is Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde a Good Ingredient?

Rated Poor because, despite imparting a floral scent, it carries a high sensitization risk and has been banned for cosmetic use in the EU and UK, a safety issue that outweighs any fragrance benefit.

Products with Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde

Related Ingredients