Best For Skin Types
All, Dry, Sensitive, Mature
Addresses
Usage Frequency
Daily
What Is Caffeoyl Pentapeptide-4?
Caffeoyl Pentapeptide-4 is a synthesised peptide—a short chain of amino acids—combined with caffeic acid, a compound derived from coffee plants. It functions primarily as a skin conditioning agent, working to maintain and support the skin's natural moisture barrier and overall texture.
Peptides in skincare are valued because they are relatively small molecules that can penetrate the outer layers of skin. This particular peptide is designed to interact with skin cells in ways that promote a smoother, more resilient complexion.
How It Works
Peptides function by signalling to skin cells, essentially communicating messages that influence cellular behaviour. Caffeoyl Pentapeptide-4 is believed to work by conditioning the skin surface and potentially supporting the proteins and structures responsible for skin firmness and hydration.
The caffeic acid component may also contribute antioxidant properties, though the primary role of this ingredient is conditioning rather than active treatment.
Clinical Evidence & References
Research into peptide safety in cosmetics has established frameworks for evaluating their use, and peptides as a class are generally considered safe when used in cosmetic formulations. However, specific published clinical evidence for Caffeoyl Pentapeptide-4 is limited in the publicly available literature.
Most evidence for this ingredient comes from supplier data rather than independent peer-reviewed studies. It is used in a small percentage of skincare products, suggesting it remains a relatively niche ingredient. For robust evidence of its efficacy, more extensive clinical testing would be beneficial.
Published Research
How to Use
This ingredient is typically found in moisturisers, serums, and treatments. Use as directed by the product instructions. It works well in layered routines and can be combined with other conditioning and hydrating ingredients. Consistency of use will yield the most noticeable results over time.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Caffeine Carboxyloyl Tripeptide-37
A peptide derivative combining caffeine and amino acids for skin conditioning
Caffeoyl Hexapeptide-65
A peptide derivative with antioxidant and purifying properties for skin conditioning
Caffeoyl Pentapeptide-20
A peptide-derived antioxidant that helps protect skin from environmental stress
Caffeoyl Sh-Decapeptide-9
A peptide-derived ingredient that conditions skin and may support even skin tone
Caffeoyl Sh-Heptapeptide-13
A peptide-based antioxidant designed to support skin protection and resilience
Caffeoyl Sh-Octapeptide-4
A peptide-derived antioxidant that may help protect skin and support even tone
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