Science
Mechanism of Action
This ingredient primarily functions by conditioning the skin, improving texture, and maintaining moisture balance. It exhibits antioxidant properties that neutralize free radicals, reducing oxidative stress from environmental aggressors. Its anti-inflammatory action mitigates irritation and redness through modulation of inflammatory mediators like nitric oxide, interleukin-6, and tumor necrosis factor-alpha. Additionally, it can contribute to skin brightening by inhibiting tyrosinase, addressing hyperpigmentation, and is shown to improve skin roughness and inflammation caused by surfactants.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 An in vitro study demonstrated that 2% of cherry blossom extract (CBE) significantly reduced nitric oxide (NO) production by 31.83% compared to a placebo, indicating substantial anti-inflammatory potential.
- 02 An in vivo study involving 40 volunteers reported that a cream with 3% CBE, applied for 9 days following a 24-hour sodium lauryl sulphate (SLS) irritation challenge, significantly lowered visual irritation scores and erythema values on days 5 and 9 compared to a placebo, confirming its soothing efficacy.
- 03 Specific preparations of Prunus yedoensis leaf extract (SAKURA Extract B), at product concentrations between 0.338% and 0.675% solid matter, were found to inhibit histamine release, suggesting potential anti-allergic or soothing properties.
Transparency
Dusting Analysis
There is no available data to suggest that Prunus Yedoensis Leaf Water is commonly used at sub-efficacious concentrations or that a 'dusting' phenomenon is prevalent for this ingredient.
The Formula
Formulation
Stability
A 10-fold diluted Prunus Yedoensis leaf extract maintained stability when heated at 90°C for up to 5 hours, showing no turbidity, precipitate, or change in odor. However, prolonged heating beyond 6 hours led to a noticeable darkening of its color.
Safety
Safety Profile
No specific regulatory status from CIR, SCCS, or FDA has been reported. However, it is generally considered non-irritating, and no GHS classification, hazard statements, or determined toxicity data have been found for related extracts.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Prunus Yedoensis Leaf Water is a valuable multi-functional ingredient, substantiated by clinical data for its significant soothing, anti-inflammatory, and antioxidant benefits, making it suitable for a broad range of skin types and advanced skincare formulations.
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