Science
Mechanism of Action
This extract functions as a potent skin conditioning agent, improving skin's texture and appearance for a softer, smoother, and more hydrated feel. Its inherent anti-inflammatory properties, largely due to flavonoids and quercetin, calm and soothe irritated or sensitive skin, effectively reducing redness and discomfort. Rich in mucilage, it acts as a natural humectant, drawing and retaining moisture to deliver deep hydration. The high concentration of flavonoids and phenolic acids provides robust antioxidant defense, mitigating free radical damage and supporting anti-aging efforts. Tannins within the extract offer astringent benefits, assisting in pore refinement, sebum regulation, and skin tightening. Furthermore, its volatile oils may contribute antibacterial qualities, potentially aiding acne-prone skin, while its natural aroma supports skin relaxation and elasticity.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data suggests that Tilia Platyphyllos Flower is commonly used at sub-efficacious concentrations (dusting). Typical cosmetic use levels of the extract range from 0.5% to 10% in formulations.
The Formula
Formulation
Stability
For optimal stability, the extract should be incorporated into the water phase of formulations. Bioactive components and fragrant molecules are susceptible to degradation by heat, light, high moisture, and extreme pH values. To preserve integrity, products containing this ingredient should be stored in closed containers away from direct heat and sunlight. While a pH range of 4.0-7.0 is generally suggested, some sources indicate an optimal pH of 3.0-4.0 for Tilia Cordata extracts.
Safety
Safety Profile
The FDA lists linden tree extracts as Generally Recognized As Safe (GRAS) for food use. For cosmetic applications, botanical ingredients are generally considered mild, but require substantiation per 21 CFR 740.10. While broadly safe for most skin types, a potential for allergic reactions or sensitivity (redness, itching, rash) exists, particularly in individuals with severe pollen allergies. Patch testing is recommended prior to widespread use. Conflicting Safety Data Sheets (SDS) exist, with one for 'Linden Blossom Absolute' (Tilia cordata) suggesting skin irritation and allergic reactions, while a general 'Linden Flower Extract' SDS reported no expected irritation to eyes, inhalation, or skin. No specific maximum concentration for cosmetic use has been established by regulatory bodies; however, typical formulation concentrations range from 0.5% to 10% of the extract (where the extract itself may be a 20% solution).
Your Skin
Skin Compatibility
Our Assessment
Verdict
Tilia Platyphyllos Flower is a valuable ingredient, offering multi-faceted benefits including significant skin conditioning, soothing, hydrating, and antioxidant properties, making it suitable for a wide range of skin types and formulations.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources