Hydroxyl Citronellal ●
TL;DR. This ingredient is a fragrance material used to give a soft floral, muguet-like note and to round out perfume compositions. It can also help mask the base odor of functional ingredients.
What does Hydroxyl Citronellal do in a cosmetic formula?
This ingredient is a fragrance material used to give a soft floral, muguet-like note and to round out perfume compositions. It can also help mask the base odor of functional ingredients.
Is Hydroxyl Citronellal clean?
This ingredient has clean-beauty friction because it is a recognized fragrance allergen and is subject to IFRA limits for sensitization management. In the EU and UK, it must be listed on pack when present above 0.001% in leave-on products or 0.01% in rinse-off products.
Is Hydroxyl Citronellal sustainable?
This material is typically made through fragrance-chemistry processing from synthetic or terpenoid feedstocks, so its sourcing profile depends on the supplier. It is not a silicone or fluorinated persistent material, and its main sustainability considerations are feedstock origin, manufacturing route, and aquatic-use limits within fragrance standards.
Is Hydroxyl Citronellal COSMOS-approved?
Conventional synthetic grades are generally not permitted in COSMOS natural or organic fragrance systems, while any use inside a compliant natural fragrance blend would need certifier review. Its Green Chemistry profile is mixed: small-molecule chemistry and expected biodegradation are positives, but sensitization controls and nonrenewable feedstock routes count against it.
How does Hydroxyl Citronellal work chemically?
The molecule is an aliphatic aldehydic fragrance compound with an additional alcohol group, which gives both odor impact and reactivity. It is used at trace to low levels under IFRA category limits, performs best in mildly acidic to neutral systems, and can react with amines, strong oxidants, or highly alkaline conditions.
Last updated 2026-08-17