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SALIX DAPHNOIDES BARK EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Salix Daphnoides Bark Extract is a natural botanical ingredient rich in salicin and polyphenols. It provides multifaceted benefits, including gentle exfoliation, potent antioxidant defense, and antimicrobial properties. This extract supports skin renewal and helps maintain a balanced, clarified complexion.

Summary

Antioxidant Skin-Conditioning Soothing Gentle Exfoliant Antimicrobial Astringent Cellular Renewal Promoter

Science

Mechanism of Action

This extract functions through several key pathways. Natural salicylates, predominantly salicin, are metabolized into salicylic acid on the skin, facilitating gentle exfoliation by loosening dead skin cells and promoting cellular turnover. Its polyphenol content provides robust antioxidant protection against free radical damage. Furthermore, it demonstrates anti-inflammatory effects to soothe skin, and antimicrobial action against bacteria like Staphylococcus aureus, contributing to overall skin health. Astringent properties help refine pore appearance and improve skin texture, while its conditioning agents support barrier function and hydration.

Research

Clinical Evidence

High confidence
Effective range 0.000558–10%
Optimal

N/A

Key findings

  1. 01 Strong free radical scavenging activity, indicating potent antioxidant effects.
  2. 02 Effective bactericidal action against Staphylococcus aureus.
  3. 03 Increased cellular renewal by 27% compared to an untreated control, based on suggested use levels for a broader willow bark extract including S. daphnoides.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.125%
Red flag below
1%

The efficacy of Salix Daphnoides Bark Extract is concentration-dependent for specific benefits. While potent antioxidant activity is observed at very low concentrations (as low as 0.000558%), clinically significant effects such as bactericidal action (0.125%-0.25%) or enhanced cellular renewal (1.0%-10.0%) require substantially higher concentrations. Products formulated below 0.125% might provide antioxidant benefits but may be considered 'dusted' if claims for exfoliation, antimicrobial effects, or cellular renewal are made without sufficient concentration.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Under review
Max tested
0.0025%
Pregnancy
Caution
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel is currently reviewing the safety of Salix alba (Willow)-derived ingredients, which includes Salix daphnoides. A Human Repeat Insult Patch Test (HRIPT) on a serum containing 0.0025% Salix Alba Bark Extract found it to be non-irritating and non-sensitizing. General willow bark extracts are considered safe for cosmetic use; however, individuals with known allergies to aspirin (salicylates) should exercise caution due to the salicin content. Specific SCCS guidance for dietary supplements advises against willow bark use for children, pregnant/nursing women, and those with aspirin sensitivity due to its salicylate content. While topical application differs from ingestion, caution is advised for pregnant or nursing individuals.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Salix Daphnoides Bark Extract is a valuable multi-functional ingredient, offering scientifically supported benefits for exfoliation, antioxidant protection, soothing, and antimicrobial action, making it suitable for a wide range of skin concerns.

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