Acetyl Dipeptide-1 Cetyl Ester
Lab-made anti-ageing peptide that promotes firmer skin Bio-identical to a skin-natural peptide that aids elasticity
At a glance
Best For Skin Types
All skin types
Usage Frequency
As directed on product packaging
EWG Safety Score
What Is Acetyl Dipeptide-1 Cetyl Ester?
Acetyl dipeptide-1 cetyl ester is a lab-engineered synthetic peptide that combines acetic acid and cetyl alcohol with dipeptide-1, a peptide composed of amino acids arginine and tyrosine. Dipeptide-1 is found naturally in the body and plays a role in maintaining skin’s elasticity.
Research has shown that topical application of this peptide protects collagen-making cells known as fibroblasts from the visible impact of glycation, a process in which destructive sugar molecules progressively weaken skin’s supportive elements.
This ingredient has also been shown to thwart irritation on skin’s surface that would otherwise result in stinging or burning sensations. As such, it’s a very good option to pair with bio-active ingredients that can be more sensitizing for some people.
Recommended usage levels of this peptide range from 3–4%; however, since the peptide portion itself is part of a blend, the actual amount of peptide needed to gain benefit is much lower, in the parts per million level. It is considered safe as used in cosmetics.
Benefits for Your Skin
How It Works
Clinical Evidence & References
Published Research
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Acetyl Dipeptide-1 Cetyl Ester: Anti-irritation peptide Molecules, 2019
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- ACETYL DIPEPTIDE-1 CETYL ESTER
- Function
- Hair Conditioning, Skin Conditioning
Related Ingredients
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A peptide-derived humectant that supports skin hydration and conditioning
3-Ascorbyl Carbonyl Dipeptide-17
A peptide derivative that supports skin conditioning and texture refinement
Acetyl Cyclohexapeptide-34
A peptide that supports skin's natural conditioning and structural function
Acetyl Decapeptide-3
A peptide that supports skin conditioning and cellular resilience
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