S-Centipede Oligopeptide-1 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 S-Centipede Oligopeptide-1 Amide?

S-Centipede Oligopeptide-1 Amide is a lab-made fragment of a natural protein called Scolopendrasin-I, which comes from the venom of the centipede Scolopendra subspinipes mutilans. Scientists copied a 14-amino-acid stretch of that larger 45-amino-acid protein then capped the tail end with an amide group to give it extra stability on skin. By recreating the fragment in a controlled environment rather than harvesting real centipedes, manufacturers get a purer, more consistent ingredient that is free of animal contaminants.

The peptide is produced through solid-phase peptide synthesis, a step-by-step process that links amino acids in the right order on a resin bead, followed by purification and testing for quality. Interest in antimicrobial peptides from insects rose in the early 2000s as researchers searched for new ways to defend skin against everyday germs without the irritation linked to older preservatives. When further studies showed this centipede fragment could also soothe and protect the skin barrier it began appearing in cosmetic labs’ prototype formulas. Within the past decade niche K-beauty brands and advanced anti-aging lines have started adding it to sheet masks, lightweight serums, leave-on moisturizers and targeted spot treatments for sensitive or blemish-prone skin.

S-Centipede Oligopeptide-1 Amide’s Cosmetic Benefits/Uses

This multi-talented peptide offers several perks when blended into skincare formulas

  • Antimicrobial – helps curb the growth of common surface bacteria and yeast which supports a cleaner product and can reduce the chance of blemish flare-ups on skin
  • Skin conditioning – improves the feel of skin by adding light hydration and helping peptides signal skin to look smoother and more supple
  • Skin protecting – supports the natural barrier by forming a thin protective film and calming minor irritation from environmental stressors

Who Can Use S-Centipede Oligopeptide-1 Amide

This peptide is generally well suited for all major skin types including dry, normal, combination and oily because it delivers light hydration without clogging pores and has a low risk of irritation. Sensitive or redness-prone complexions often tolerate it since the molecule is non-acidic and fragrance free. There is no specific reason it must be avoided by any skin type, though anyone with a known allergy to synthetic peptides should steer clear.

Because the material is produced entirely in the lab with no animal-derived inputs it is compatible with vegan and vegetarian lifestyles.

No data indicate that topical use poses a risk during pregnancy or while breastfeeding. Still this is not medical advice and women who are pregnant or nursing should run any skincare products containing S-Centipede Oligopeptide-1 Amide past their doctor to be safe.

The ingredient does not increase photosensitivity, so it can be used day or night, but daily sunscreen is always recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Side effects from topical S-Centipede Oligopeptide-1 Amide vary between individuals. The issues listed below are possible yet unlikely for most users when the ingredient is formulated correctly and used as directed.

  • Mild redness or warmth especially on very reactive skin during the first few uses
  • Temporary stinging if applied to freshly exfoliated or broken skin
  • Contact dermatitis in rare cases of peptide allergy
  • Eye irritation if the product accidentally gets into the eyes

If you experience any of the above effects stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0 / 5 (non-comedogenic)

S-Centipede Oligopeptide-1 Amide is a tiny water-soluble peptide that sits on top of skin then rinses away easily. It has no oily or waxy parts that could lodge in pores and mix with sebum, so it is not expected to trigger blackheads or whiteheads. That makes it a safe pick for people who break out easily. As always the overall formula matters, so a product heavy in rich oils could still feel too occlusive even if this peptide itself is pore friendly.

Summary

S-Centipede Oligopeptide-1 Amide works as an antimicrobial, skin-conditioning and skin-protecting agent. The 14-amino-acid chain can poke tiny holes in bacterial membranes which helps keep blemish-causing germs in check. At the same time the peptide signals skin to hold on to moisture so the surface feels smoother and more supple, while forming a light breathable film that shields the barrier from everyday irritants.

Right now the ingredient shows up mostly in niche K-beauty serums and a few advanced anti-aging lines, so it is not as famous as classics like niacinamide or hyaluronic acid. Still its growing fan base appreciates the gentle multitasking benefits.

Lab synthesis keeps the material consistent and free of animal contaminants, and studies report a very low rate of irritation or allergy. Most people can use it without issues, but it is always smart to do a quick patch test when trying any new skincare product just to be safe.

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