Science
Mechanism of Action
This ingredient functions as a skin penetration enhancer, facilitating the deeper delivery of co-applied active ingredients by temporarily modulating the lipid structure of the stratum corneum. At a cellular level, Nerolidol exhibits antioxidant activity by upregulating key antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH), while simultaneously reducing malondialdehyde (MDA), a recognized marker of oxidative stress. Its anti-inflammatory effects stem from its ability to inhibit the release of proinflammatory cytokines and various inflammatory mediators.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Nerolidol exhibits well-documented mechanisms of action, including skin penetration enhancement and anti-inflammatory properties, suggesting its inclusion is typically for functional benefit rather than solely for marketing claims at sub-efficacious levels.
The Formula
Formulation
Stability
Nerolidol demonstrates excellent stability across most fragrance applications. Its tertiary alcohol structure provides superior resistance to oxidation compared to primary or secondary alcohols. However, as a terpene, it may undergo polymerization via oxidation pathways under extreme conditions. A key formulation consideration is its limited aqueous solubility, which can restrict its use in water-based systems.
Synergies
- other active ingredients (due to enhanced skin penetration)
Conflicts
- aqueous formulations (due to low aqueous solubility)
Safety
Safety Profile
While some classifications list Nerolidol as a skin sensitizer Category 1B (H317) and an eye irritant Category 2 (H319), human studies at a 4% concentration demonstrated no irritation or sensitization on skin. It is recognized as Generally Recognized As Safe (GRAS) by the FDA for flavor uses and adheres to EU Regulation 1223/2009, not being among the 26 mandatory declarable allergens.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Nerolidol is a valuable ingredient, offering multifaceted benefits from enhancing the delivery of other actives to providing antioxidant and anti-inflammatory support, with a favorable safety profile at regulated cosmetic concentrations.
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References
Sources
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