Acetyl Tetrapeptide-69 Amide Acetate

INCI: ACETYL TETRAPEPTIDE-69 AMIDE ACETATE

Also known as: Acetyl Tetrapeptide-69 Amide Acetate

A peptide derivative designed to support skin conditioning and barrier function

At a glance

Peptide

Best For Skin Types

All, Dry, Sensitive

Addresses

Dryness, Sensitivity, Barrier repair

Usage Frequency

Daily

What Is Acetyl Tetrapeptide-69 Amide Acetate?

Acetyl Tetrapeptide-69 Amide Acetate is a synthetic peptide—a short chain of amino acids—modified with an acetyl group to enhance stability and skin penetration. Peptides in skincare are valued for their role in signalling skin cells to support various functions, particularly those related to structural integrity and barrier health.

This ingredient functions as a skin conditioner, meaning it is intended to improve the overall texture, resilience and feel of the skin rather than acting as a treatment for a specific disease or condition.

How It Works

Peptides work by communicating with skin cells through receptor binding, essentially signalling them to behave in particular ways. Acetyl Tetrapeptide-69 Amide Acetate is designed to reach the skin and trigger responses that promote conditioning effects—making skin feel smoother and more resilient.

The acetyl modification helps the peptide remain stable in formulations and potentially improve its ability to penetrate the skin's outer layers, enhancing its effectiveness.

Clinical Evidence & References

Published research on this specific peptide is limited, so evidence for its efficacy is not yet robust. Peptides as a class have demonstrated skin-conditioning properties in various studies, and peptide technology is well-established in cosmetic formulation.

However, the particular mechanism and benefits of Acetyl Tetrapeptide-69 Amide Acetate would benefit from additional clinical validation. It is likely included in formulations for its theoretical skin-conditioning and barrier-support properties based on peptide science more broadly, rather than extensive human trials specific to this ingredient.

How to Use

This ingredient is typically found in serums, creams and moisturisers. It is stable across a range of formulations and can be used daily as part of your routine. There is no evidence of conflict with other common skincare actives, though as with any new product, introduce it gradually if you have sensitive skin.

Safety & Precautions

Peptides are generally well-tolerated and considered safe for topical use. No significant safety concerns have been identified for this ingredient.

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
ACETYL TETRAPEPTIDE-69 AMIDE ACETATE
Function
Skin Conditioning

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