Acetyl Hexapeptide-19
INCI: ACETYL HEXAPEPTIDE-19
Also known as: Acetyl Hexapeptide-19
A peptide designed to support skin conditioning and firmness
At a glance
Best For Skin Types
All, Mature, Dry
Addresses
Usage Frequency
Daily
What Is Acetyl Hexapeptide-19?
Acetyl Hexapeptide-19 is a synthetic peptide—a short chain of amino acids—created to mimic natural peptides found in skin. Peptides are used in skincare formulations as skin conditioning agents, working to support the skin's structural integrity and appearance.
This ingredient belongs to a class of biomimetic peptides, which are engineered to support skin homeostasis and support the skin's natural repair processes. It is typically incorporated into moisturisers and serums intended for anti-aging and skin rejuvenation applications.
How It Works
Peptides work by signalling to skin cells and supporting natural biological processes. Acetyl Hexapeptide-19 is formulated to condition the skin surface and upper layers, where it may help reinforce the skin's natural moisturising and structural functions.
The exact mechanism varies depending on formulation, but peptides of this type are generally designed to support skin barrier function and the appearance of firmness—rather than directly altering deeper skin biology.
Clinical Evidence & References
Research into peptides in skincare remains evolving. Related peptides in this family have been studied for their potential to support skin firmness and texture, though evidence specific to Acetyl Hexapeptide-19 is limited in published literature.
One important consideration: peptides are large, hydrophilic molecules, meaning they may not penetrate deeply into skin. Most activity is likely to occur at the skin surface and in the upper epidermis, where they provide conditioning rather than systemic biological effects. Further clinical study would help clarify the ingredient's efficacy.
How to Use
This ingredient is typically used in daily skincare routines as part of a moisturiser or serum. Apply to clean skin morning and evening, layering with other hydrating or treatment products as needed. Results, if any, tend to emerge gradually with consistent use over several weeks.
Safety & Precautions
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- ACETYL HEXAPEPTIDE-19
- EC Number
- -
- Function
- Skin Conditioning
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