Octapeptide-27 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 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Octapeptide-27 Amide?

Octapeptide-27 Amide is a lab-made chain of eight amino acids built from alanine, aspartic acid, glutamine, isoleucine, leucine and serine, with its tail end capped as an amide to improve stability on skin. It does not come from plants or animals but is produced through solid-phase peptide synthesis, a step-by-step process that links amino acids in a precise order then converts the final carboxyl group into an amide. Peptides started gaining popularity in skin care in the early 2000s when researchers showed they could signal skin cells to behave in a younger way. Since then brands have explored many peptide variations, and Octapeptide-27 Amide is one of the newer entries valued for its skin conditioning properties. You will most often find it in leave-on products such as anti-aging serums, rejuvenating creams, concentrated eye treatments, hydrating masks and post-procedure soothing formulas where a lightweight yet effective peptide is desired.

Octapeptide-27 Amide’s Cosmetic Benefits/Uses

In formulas this ingredient delivers one primary benefit that makes it a useful addition to modern skin care lines.

Skin conditioning: Octapeptide-27 Amide helps keep the skin surface smooth, soft and resilient. By supporting the natural moisture barrier it can improve overall texture, reduce rough patches and leave skin feeling comfortable throughout the day.

Who Can Use Octapeptide-27 Amide

Thanks to its lightweight texture and soothing character Octapeptide-27 Amide can be used on most skin types including dry, normal and oily skin. Its barrier supporting nature also makes it a friendly option for sensitive or mature complexions. There are no known reasons for acne-prone users to avoid it since the molecule itself is non-oily and does not clog pores.

The peptide is produced entirely through laboratory synthesis with no animal-derived components so it is considered suitable for vegans and vegetarians. Brands often pair it with other plant-based or synthetic ingredients to keep the finished formula cruelty free.

Current research shows no evidence that topical Octapeptide-27 Amide is absorbed into the bloodstream at levels that would affect pregnancy or breastfeeding. That said, this is not medical advice and anyone who is pregnant or nursing should review any skincare product with a qualified healthcare professional to be safe.

The ingredient does not increase photosensitivity, so it can be used morning or night without raising the risk of sunburn. As always daily sunscreen is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to Octapeptide-27 Amide vary from person to person. The following list covers potential side effects, though they remain uncommon when the peptide is formulated and used correctly.

  • Transient redness or warmth shortly after application
  • Mild itching or tingling in very sensitive skin
  • Localized irritation if applied to broken skin
  • Allergic contact dermatitis in individuals sensitive to peptides or other formula components
  • Watery eyes if the product migrates too close to the lash line

If any of these reactions occur discontinue use and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0/5 (non-comedogenic)

Octapeptide-27 Amide is a small, water-soluble molecule that contains no oils, waxes or heavy emollients, so it does not block pores or encourage the buildup of sebum and dead skin cells. For that reason it earns the lowest possible comedogenic score.

This makes the peptide a suitable choice for skin that is prone to acne or breakouts. Keep in mind the finished product’s overall formula still matters, as richer bases or added fragrances can change how skin reacts.

Summary

Octapeptide-27 Amide is a lab-crafted chain of eight amino acids that conditions skin by helping it stay smooth, soft and resilient. It supports the surface moisture barrier, offers lightweight hydration and can gently cue skin cells to behave in a more youthful way, leading to better texture and comfort.

The peptide is not yet as famous as long-standing favorites like Matrixyl or copper peptides, but brands focused on gentle anti-aging and post-procedure care are starting to feature it more often because of its mild yet effective profile.

Available data shows the ingredient is generally safe with a low risk of irritation, allergy or pore clogging. As with any new skin care item it is smart to do a quick patch test before full use to be sure your skin agrees.

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