Best For Skin Types
All, Sensitive
Addresses
Usage Frequency
Daily
What Is Zinc Palmitoyl Nonapeptide-14?
Zinc palmitoyl nonapeptide-14 is a synthetic peptide—a short chain of amino acids—attached to a fatty acid (palmitic acid) and zinc. This combination is designed to mimic natural processes that occur within skin cells, specifically protein palmitoylation, which is a biochemical modification that affects how proteins behave and interact within the skin.
In skincare formulations, this ingredient functions as a skin conditioner. The addition of the fatty acid component allows the peptide to penetrate and interact with skin more effectively than the peptide alone would.
How It Works
This ingredient works by influencing protein palmitoylation—a natural modification process that occurs on cysteine residues within proteins. Zinc finger DHHC domain proteins in the skin catalyse this process, which affects how proteins are positioned, moved around, and interact with one another within cells.
By supporting this mechanism, zinc palmitoyl nonapeptide-14 may help regulate various skin functions including inflammation, immune response, and barrier maintenance. The research suggests these processes are fundamental to healthy skin biology, though the direct translation of this cellular activity to measurable cosmetic benefit in topical formulations requires further investigation.
Clinical Evidence & References
Evidence for this ingredient comes primarily from mechanistic research into protein palmitoylation in skin. Studies demonstrate that disruption of palmitoylation enzymes (ZDHHC proteins) leads to significant skin abnormalities including hair loss, thickened epidermis, and impaired barrier function, which suggests that supporting normal palmitoylation is important for skin health.
However, clinical data specifically evaluating this ingredient in cosmetic formulations remains limited. The evidence indicates a plausible mechanism of action rather than robust proof of efficacy in skincare products. Additional human studies would help clarify its practical benefits when used topically.
Published Research
How to Use
This ingredient is typically found in serums, moisturisers, and barrier-support formulations. It can be used daily as part of your routine. For best results, apply to clean skin before heavier creams or oils, which allows better absorption. It works well alongside other barrier-supporting ingredients such as ceramides or niacinamide.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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