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HYDROXYCITRONELLOL.

Questionable CAS 107-74-4 / PERFUMING

Hydroxycitronellol is a synthetic fragrance compound frequently incorporated into cosmetic formulations to impart a distinct floral and rosy aroma. While widely used for its scent profile, it offers no identified direct beneficial mechanism of action for skin health. Its classification as a moderate irritant suggests cautious consideration for individuals with sensitive skin.

Fragrance

Science

Hydroxycitronellol functions primarily as a fragrance agent, contributing a floral and rosy scent to formulations. There is no specific beneficial mechanism of action identified for skin health, such as moisturizing or anti-aging properties.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

Hydroxycitronellol is primarily a fragrance ingredient and is not associated with efficacy claims for skin health; therefore, the concept of 'dusting' for an active ingredient does not apply.


The Formula

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Hydroxycitronellol exhibits robust stability across various cosmetic formulations, including alcoholic lotions, antiperspirants, detergents, shampoos, and soaps.


Safety

CIR Status
Safe with restrictions
Max tested
6.65%
Sensitization risk Moderate

The Research Institute for Fragrance Materials (RIFM) has assessed Hydroxycitronellol, concluding no concerns for genotoxicity, repeated dose, or reproductive toxicity at current use levels. It is also designated as safe for specific, limited use in food by the US FDA. Maximum usage in cosmetic formulae is 6.65%. However, its classification as a moderate irritant indicates a potential for sensitization in susceptible individuals.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Questionable

Hydroxycitronellol is a fragrance ingredient with no known skincare benefits and a moderate irritancy profile, making its inclusion in precision skincare formulations questionable for efficacy-driven products.


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References