Science
Mechanism of Action
This extract leverages its inherent composition of mucilage, antioxidants, and flavonoids to benefit the skin. Mucilage forms a protective film, enhancing moisture retention and guarding against environmental stressors. Antioxidants actively neutralize free radicals, thereby mitigating signs of premature skin aging. Flavonoids facilitate skin regeneration and contribute to a more uniform complexion. Its soothing and anti-inflammatory actions are achieved by stabilizing cell membranes, potentially reducing pro-inflammatory enzyme release, and modulating key inflammatory pathways such as COX-2, NFκB/P65, and PPAR-γ. Furthermore, it supports skin cell renewal and exhibits immune-stimulatory effects through MAPK/NF-κB signaling pathways.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 An ethyl acetate extract (AR-EA) demonstrated 80.72% inhibition of protein denaturation, while a methanolic extract (AR-Met) showed 71.21% inhibition at 600 μg/mL (0.06%) concentration, indicating significant anti-inflammatory properties in vitro. IC50 values for these effects were determined at 220.27 μg/mL for AR-EA and 268.46 μg/mL for AR-Met.
- 02 A water extract (ARFW) from Althaea rosea flowers, at concentrations up to 100 μg/mL (0.01%), dose-dependently increased nitric oxide (NO), IL-6, and TNF-α cytokine production, alongside enhanced iNOS and COX-2 protein expression in RAW264.7 cells. This demonstrates immune-stimulatory effects via the MAPK/NF-κB signaling pathway without observed cytotoxicity.
Transparency
Dusting Analysis
While specific immune-stimulatory effects have been observed at concentrations as low as 0.01% and anti-inflammatory benefits at 0.06% in clinical studies, recent commercial usage concentrations for Althaea Rosea Flower Extract are often reported between 0.0001% and 0.005%. This disparity suggests that the ingredient may frequently be included at levels below its empirically demonstrated effective dose, indicating potential 'dusting' when certain active benefits are claimed without adequate concentration.
The Formula
Formulation
Safety
Safety Profile
Althaea Rosea Flower Extract is generally considered safe for cosmetic application, with infrequent reports of adverse effects. Allergic reactions are rare; however, individuals with known plant allergies should exercise caution. Regulatory bodies, including European Cosmetics Regulations, permit its use. While usage concentrations have historically reached 2%, more recent formulations typically employ concentrations between 0.0001% and 0.005%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Althaea Rosea Flower Extract is a valuable ingredient for comprehensive skincare, offering proven anti-inflammatory, immune-stimulatory, antioxidant, and moisturizing benefits, particularly suited for sensitive and dry skin types.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources