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SALIX GRACILISTYLA LEAF EXTRACT.

Valuable / ANTIOXIDANT

Salix Gracilisyla Leaf Extract, derived from the Japanese pussy willow, is rich in salicin and other phenolic compounds. This botanical ingredient offers multi-functional benefits, including gentle exfoliation, anti-inflammatory, antioxidant, and antibacterial properties, making it beneficial for various skin concerns from aging to acne-prone conditions.

Summary

Exfoliant Anti-inflammatory Antioxidant Antibacterial Humectant Anti-aging

Science

Mechanism of Action

The extract’s efficacy primarily stems from salicin, a natural precursor to salicylic acid, which provides gentle exfoliation by assisting in the removal of dead skin cells and clearing pores, thereby promoting cellular renewal. Its anti-inflammatory action is attributed to salicin’s ability to inhibit COX-1 and COX-2 enzymes, effectively reducing skin redness and irritation. Additionally, polyphenols and flavonoids within the extract confer antioxidant benefits, while its antibacterial properties help regulate sebum and mitigate bacteria contributing to skin irregularities. Some components may also act as humectants, supporting skin hydration, and salicin can influence gene expression related to collagen synthesis, improving skin elasticity and reducing wrinkle appearance.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Willow extracts, particularly compounds like salicortin (related to salicin), are known to degrade into salicylic acid and catechol under alkaline conditions. This suggests enhanced stability in formulations maintained within acidic to neutral pH ranges.

Conflicts

  • Alkaline ingredients/pH

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Unknown

Specific safety assessments for SALIX GRACILISTYLA LEAF EXTRACT by CIR, SCCS, or FDA are not documented in available research. The CIR has, however, reviewed 'Salix Alba (Willow) Leaf Extract' (a related botanical) and issued a Draft Report, indicating ongoing assessment without a final conclusion. A related ingredient, Salix Alba (Willow) Bark Extract, was deemed non-irritating and non-sensitizing in a Human Repeated Insult Patch Test at 0.0025% in a serum. Conversely, an in vitro ocular irritation assay for Salix Alba (Willow) Bark Extract suggested potential eye irritation.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Salix Gracilisyla Leaf Extract presents as a versatile ingredient with strong mechanistic backing for its exfoliating, anti-inflammatory, antioxidant, and anti-aging properties, though specific clinical efficacy and comprehensive safety data for this particular extract remain limited.

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