Science
Mechanism of Action
It primarily acts as a Matrix Metalloproteinase (MMP) inhibitor by binding to the zinc ions required for enzyme activation. This prevents the enzymatic breakdown of collagen and elastin fibers (specifically MMP-2 and MMP-9) while providing secondary antioxidant benefits and antimicrobial protection through metal ion sequestration.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 Demonstrated potent inhibition of dermal matrix degradation at concentrations as low as 0.01%, preserving structural protein integrity.
- 02 Proven effectiveness as a non-irritating, broad-spectrum antimicrobial stabilizer in dermatological applications.
Transparency
Dusting Analysis
Because it is bioactive at extremely low concentrations (0.01%), it is rarely 'dusted' in the traditional sense; however, its presence in premium formulas often signals a focus on MMP inhibition rather than just preservation.
The Formula
Formulation
Stability
Maintains exceptional stability across a wide pH range, even in neutral environments where many organic acids lose efficacy.
Synergies
- Antioxidants
- Peptides
- Chelating agents
Conflicts
- Metal ions (especially Iron/Fe3+) which may cause red or purple discoloration
- Strong oxidizing agents
Safety
Safety Profile
Often confused with the pharmaceutical Bufexamac; however, Biphenylhydroxamic Acid is a distinct cosmetic ingredient with a favorable safety profile used in luxury skincare.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An elite precision ingredient for preventing collagen loss and enhancing formula stability without irritation.
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Similar Ingredients
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References
Sources