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acetyl dipeptide 31 amide structure 31

Published October Oct 17, 2026 5:59 PM

In the rapidly evolving landscape of advanced cosmetic chemistry, few ingredients have gar Patricia Farris, MD, on AP31's Anti-Aging Power nered as much attention as Acetyl Dipeptide-31 Amide. As a beauty enthusiast who closely tracks the latest developments in skincare technology, I have found that understanding the science behind the label is key to choosing effective formulations. Recently, the industry has shifted toward high-performance, low-molecul EWG Skin Deep® | What is ACETYL-DIPEPTIDE-1 CETYL ar-weight ingredients, and this specific micropeptide stands out as a prime example of such precision engineering.

What is Acetyl Dipeptide-31 Amide?

At its core, Acetyl Dipeptide-31 Amide is a cutting-edge, multifunctional, non-irritating, cosmeceutical micropeptide. Unlike larger protein chains that may struggle to penetrate the surface of the skin, this molecule boasts a remarkably low molecular weight of approximately 229 Daltons. Being roughly two times smaller than many traditional cosmetic peptides, it is designed to mimic naturally occurring peptides, signaling skin cells to perform specific functions that support a more youthful appearance.

When we look at the dipeptide structure, we see a refined molecule obtained through the acetylation of a specific dipeptide sequence, resulting in an amide at the C-terminus. The term "acetyl" refers to the addition of an acetyl group (CH3-CO-), which is the acyl residue of acetic acid. This modification is crucial for enhancing the stability and bioavailability of the ingredient within a topical application.

The Science of the Molecu Ingredient: ACETYL DIPEPTIDE-31 AMIDE le

The 31 in its name denotes its specific sequence, which distinguishes it from other common industry ingredients like Acetyl Dipe Structure of the Amide I Band of Peptides Measured by ptide-1 Cetyl Ester. While the latter is a well-known Lipo-dipeptide, Acetyl Dipeptide-31 Amide—often referred to in clinical literature as AP31—is increasingly recognized for its unique ability to contour and lift the appearance of the skin.

From a technical perspective, the amide group at the C-terminus plays a vital role in how the peptide interacts with the skin’s environment. Because SpecPed® AD31AP is Acetyl Dipeptide-31 Amide, it has become a go-to choice for formulators looking to creat Acetyl Dipeptide-31 Amide is the product obtained by the acetylation of Dipeptide-31 in which the C-terminus is an amide. CAS #. EC #. Identified INGREDIENTS or  e products that provide firming and anti-inflammatory benefits without the irritation often associated with more aggressive anti-aging treatments.

Personal Insights and Observa Ingredient: ACETYL DIPEPTIDE-31 AMIDE tions

Having integrated products containing Acetyl Dipeptide-31 Amide into my own routine, I have noticed a distinct improvement in the overall texture and "bounce" of my skin. It is fascinating to realize that this acetyl dipeptide-31 amide is not just a trend; it is a scientifically backed approach to managing the early signs of pre-aging.

When searching for the best products, you might come across terms like tyl dipeptide-31 or various acetyl dipeptide derivatives. It is important to verify the ingredient list to ensure you are getting the specific Acetyl Dipeptide-31 Amide complex. Many high-end serums, such as those featuring MicroDiPeptide229®, leverage the small size of the molecule to deliver visible results.

Why the Structure Matters

The efficacy of any dipeptide in skincare is largely determined by its absorption profile. The structure of acetyl dipeptide 31 amide allows it to remain stable in various formulations Acetyl Dipeptide-31 Amide: A Novel Cosmetic Anti - PubMed , ensuring that the active component reaches its target site effectively. Whether you are looking into Acetyl Dipeptide-31 Amide (AP31) for its lifting properties or its ability to support the extracellular matrix—such as collagen and elastin—it is clear that this molecule represents a significant leap forward in cosmetic science.

In conclusion, as we continue to explore the potential of synthetic peptides, Acetyl Dipeptide-31 Amide remains a standout ingredient. Its unique molecular weight, combined with its non-irritating nature, makes it a sophisticated addition to any modern skincare regimen focused on preservation and long-term skin health. AP31 is a novel, multifunctional, non-irritating, cosmeceutical micropeptide that improves clinical signs of aging, lifts and contours facial skin,  By focusing on these advanced micropeptides, we can better understand how to support our skin's natural functions with precision and care.

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