Acetyl Dipeptide-32 Amide: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Acetyl Dipeptide-32 Amide?

Acetyl Dipeptide-32 Amide is a lab-crafted molecule created by adding an acetyl group to Dipeptide-32 and converting its tail end into an amide. The result is a small, stable peptide that mimics fragments of the skin’s own proteins. Although it does not come from a natural plant or animal source, its building blocks are amino acids that are common in human skin, which makes it easy for formulators to incorporate without major compatibility issues.

The cosmetic world began exploring bioactive peptides in the late 1990s as gentler alternatives to strong actives like retinoids. As research progressed, chemists discovered that fine-tuning a peptide’s structure through acetylation could improve skin affinity and shelf stability. Acetyl Dipeptide-32 Amide emerged from this wave of innovation and was first listed in ingredient catalogs in the early 2010s, quickly gaining traction in premium skincare lines that focused on comfort and resilience rather than aggressive resurfacing.

Manufacturing starts with synthesizing the two amino acids that form Dipeptide-32. These are linked in a controlled reactor, after which an acetyl group is attached to the N-terminus. Finally the C-terminus is converted into an amide to reduce reactivity and raise skin tolerance. The finished ingredient is usually delivered as a white to off-white powder or a concentrated solution ready to be blended into water-based formulations.

You will most often find Acetyl Dipeptide-32 Amide in soothing serums, barrier-support moisturizers, post-treatment masks, gentle anti-aging creams and eye gels aimed at reducing the look of fatigue. Because it pairs well with humectants and light oils, it also appears in day creams that promise a silky finish without heaviness.

Acetyl Dipeptide-32 Amide’s Cosmetic Benefits/Uses

This peptide is prized for one main function: skin conditioning. By reinforcing the skin’s natural protein network it helps improve softness, smoothness and overall comfort. Regular use can leave the complexion feeling more supple, making the rest of the formula feel instantly elegant and user friendly.

Who Can Use Acetyl Dipeptide-32 Amide

Thanks to its gentle, protein-mimicking nature, Acetyl Dipeptide-32 Amide suits nearly every skin type including dry, normal, combination, oily and mature. Sensitive and post-procedure skin often tolerate it well because the molecule is designed to sit comfortably on the surface rather than provoke activity deep in the epidermis. There are no known reasons for people with eczema, rosacea or redness-prone skin to avoid the ingredient, though the overall formula it appears in should still be checked for other potential triggers.

The peptide is produced entirely through laboratory synthesis using amino acid building blocks, not animal-derived materials, so it is considered suitable for vegans and vegetarians. Most suppliers also certify that no animal testing is involved in its manufacture.

No data suggests that topical use of Acetyl Dipeptide-32 Amide poses a specific risk to women who are pregnant or breastfeeding. Most doctors consider mild skin-conditioning peptides to be low concern, yet this is not medical advice. Anyone expecting or nursing should show the full ingredient list of any product to a qualified healthcare provider before use, just to be safe.

The ingredient does not increase photosensitivity and can be worn during the day without making skin more prone to sunburn. As always daily sunscreen is recommended for overall skin health. There are also no reported interactions with common actives such as niacinamide, hyaluronic acid or gentle exfoliating acids, so layering is typically straightforward.

Potential Side Effects/Adverse Reactions

Side effects from topical Acetyl Dipeptide-32 Amide vary from person to person. The points below list potential reactions, though they are uncommon when the ingredient is correctly formulated and used as directed.

Transient redness or flushing

Mild itching or tingling, especially on very sensitive skin

Localised irritation if combined with a high level of fragrance or alcohol in the same product

Rare allergic contact dermatitis in individuals already sensitised to peptides or preservatives used alongside it

If any of these reactions occur discontinue use and seek advice from a dermatologist or medical professional.

Comedogenic Rating

Rating: 0/5. Acetyl Dipeptide-32 Amide is a small, water-soluble peptide that does not form an occlusive film or leave residue inside pores, so it has virtually no tendency to clog follicles. This makes it a safe choice for people who are prone to acne or breakouts. Any risk of congestion usually comes from heavier emollients or oils in the final formula, not from the peptide itself.

Because it is often used in lightweight serums, gels and fluid lotions, products featuring this ingredient typically stay friendly to oily and blemish-prone skin. Always consider the overall ingredient list since waxes, butters and certain silicones can raise the comedogenic load even when the peptide itself rates zero.

Summary

Acetyl Dipeptide-32 Amide is a lab-designed peptide that conditions skin by supporting its natural protein matrix, helping it feel softer, smoother and more comfortable. It works by sitting on the surface and interacting with the stratum corneum rather than pushing deep activity, which keeps irritation risk low while still improving texture.

While not yet a household name, the ingredient is gaining steady traction in mid to high-end soothing moisturizers, post-treatment masks and gentle anti-aging formulas that prioritize skin feel over aggressive turnover. Its vegan origin and easy compatibility with popular actives boost its appeal for modern formulations.

Current data shows Acetyl Dipeptide-32 Amide is well tolerated across skin types, with minimal reports of sensitization or pore clogging. Even so, skin is individual so it is smart to patch test any new product that contains this peptide before full-face use.

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