Science
Mechanism of Action
Tilia Cordata Extract acts through a rich blend of bioactive compounds. Flavonoids function as robust antioxidants, neutralizing free radicals and mitigating oxidative stress, thereby supporting the skin's defense against premature aging by dampening inflammatory pathways. Mucilage creates a protective, moisture-retaining barrier on the skin's surface, promoting hydration and aiding in skin repair. Glycosides further enhance this hydration by binding water molecules. Tannins contribute astringent effects, helping to refine pore appearance and create a smoother skin texture. Furthermore, volatile oils and methanolic forms of the extract exhibit antibacterial activity, offering protection against harmful bacteria and inhibiting bacterial growth and biofilm formation. Collectively, these components impart general soothing, calming, and refreshing effects, effectively reducing redness, itchiness, and irritation.
Research
Clinical Evidence
Medium confidence1%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Tilia Cordata Extract generally demonstrates stability within a pH range of 3.0 to 7.0, though specific extract preparations may exhibit optimal performance in narrower pH windows, such as 3.0-4.0. It is important to note that the fragrant components within the extract are prone to rapid degradation under conditions of high moisture, despite the common use of aqueous extract forms.
Safety
Safety Profile
Tilia Cordata (Lime flower) holds a Generally Recognized as Safe (GRAS) status by the FDA and is registered under the EU Cosmetics Regulation. While typically considered safe and non-irritating, there is a potential for allergic reactions or sensitivity in some individuals, which may manifest as skin redness, itching, or rash; a sensitivity test is therefore recommended prior to widespread use. The European Medicines Agency (EMA) report highlights a current lack of sufficient data regarding genotoxicity, carcinogenicity, reproductive toxicity, and developmental toxicity for lime flower extracts, preventing a full Community list entry.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Tilia Cordata Extract is a valuable botanical ingredient, offering significant soothing, hydrating, antioxidant, and antibacterial benefits across all skin types, though further comprehensive safety data would enhance its profile.
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References
Sources