Science
Mechanism of Action
This extract functions as a multi-target skin modulator. Its powerful antioxidant compounds neutralize reactive oxygen species (ROS), mitigating oxidative stress and protecting cellular integrity. As an anti-inflammatory agent, it directly suppresses allergic responses by inhibiting histamine release and targeting upstream signaling pathways, including a reduction in phosphorylation levels of AKT, ERK, and JNK within the MAPK pathway. It further diminishes inflammatory responses and redness by inhibiting PGE2 secretion and COX synthesis. Beyond inflammation, the extract may enhance microcirculation, improving nutrient and oxygen delivery for accelerated skin regeneration and the potential smoothing of fine lines. It also contributes to sebum regulation, promoting a more balanced skin environment, and may improve skin barrier function through enhanced epidermal differentiation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The extract demonstrates stability under typical storage conditions. Its efficacy is best maintained within a pH range of 4.0 to 6.5 at 25°C. Its composition includes both water-soluble phenolic compounds, such as salvianolic acids, and lipophilic tanshinones, along with water-soluble polysaccharides, allowing for versatile formulation in both aqueous and oil-based systems.
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) and Scientific Committee on Consumer Safety (SCCS) have not specifically assessed SALVIA MILTIORRHIZA LEAF EXTRACT. While INCIDecoder suggests low irritancy, the EWG Skin Deep database lists general 'SALVIA MILTIORRHIZA EXTRACT' as potentially being a 'Human toxicant or allergen - strong evidence' based on the EU Cosmetics Directive. Dermal toxicity for the combined flower/leaf/root extract has not been definitively determined, warranting careful consideration for sensitive individuals.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Salvia Miltiorrhiza Leaf Extract is a valuable multi-functional botanical for skincare, offering significant antioxidant and anti-inflammatory benefits across all skin types; however, specific human clinical efficacy data for the leaf extract and comprehensive safety assessments require further research.
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