Sh-Oligopeptide-81 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 Sh-Oligopeptide-81 Amide?

Sh-Oligopeptide-81 Amide is a lab made version of a naturally occurring histidine-rich protein that is found in the human body. Scientists identified the part of the original protein that shows the most skin and oral care activity, then recreated that portion as a short chain of amino acids called a peptide. By adding an amide group they improved its stability so it stays active longer in cosmetic formulas.

The peptide is produced through bio-fermentation. A harmless strain of bacteria or yeast is given the genetic instructions to make the peptide, it is grown in stainless-steel tanks, then the peptide is purified, filtered and dried to a fine powder. This process keeps the ingredient consistent and free of animal products.

Interest in histidine-rich peptides began in the 1990s when researchers noticed their ability to bind metals and fight harmful microbes. Over time brands saw that these traits could help with excess oil, irritation and oral freshness, so the peptide found a place in modern cosmetic lines.

You will now spot Sh-Oligopeptide-81 Amide in lightweight serums, oil-control gels, leave-on masks, clarifying toners, blemish spot treatments, moisturizing creams that target shine, as well as cosmetic mouthwashes and toothpastes aimed at fresh breath and plaque control.

Sh-Oligopeptide-81 Amide’s Cosmetic Benefits/Uses

This multitasking peptide offers several perks that make formulas work harder and feel better on skin or in the mouth

  • Anti-Sebum: Helps balance surface oil so skin looks less shiny and pores appear smaller. Formulators use it in mattifying products for combination and oily skin.
  • Antimicrobial: Limits the growth of odor-causing or blemish-triggering bacteria which can support clearer skin and fresher breath.
  • Antiplaque: Disrupts the sticky film that bacteria form on teeth, making it easier for brushing and rinsing to remove buildup and keep the smile bright.
  • Humectant: Attracts and holds water, giving lightweight hydration that leaves skin feeling comfortable without a greasy finish.
  • Oral Care: Adds a soothing, cleansing boost to mouthwashes and toothpastes for a long-lasting clean sensation.

Who Can Use Sh-Oligopeptide-81 Amide

Because this peptide helps regulate oil while still drawing in water, it suits oily, combination and normal skin. Dry or very sensitive complexions can also use it when the formula contains additional emollients that prevent any tight feeling. There are no known traits that make it unsuitable for darker tones or acne prone skin.

The ingredient is produced through bio-fermentation rather than animal harvesting so it is considered vegan and vegetarian friendly.

Current safety data show no specific risks for women who are pregnant or breastfeeding when the peptide is applied topically at cosmetic levels. This is not medical advice and anyone expecting or nursing should ask a healthcare professional before adding new products, just to be safe.

Sh-Oligopeptide-81 Amide is not known to increase photosensitivity, so it will not make skin more prone to sunburn but daily sunscreen is still recommended as part of any routine.

Potential Side Effects/Adverse Reactions

Reactions to topical Sh-Oligopeptide-81 Amide differ from person to person. The points below outline potential issues that could occur, though most users experience none of these when the ingredient is properly formulated.

  • Mild redness or stinging in very sensitive skin
  • Temporary dryness if used in a high concentration without supporting hydrators
  • Rare allergic response such as itching or small hives
  • Possible interaction with other strong actives like exfoliating acids leading to added irritation

If any unwanted reaction develops stop using the product and consult a healthcare professional if symptoms persist.

Comedogenic Rating

Rating: 0 / 5

Sh-Oligopeptide-81 Amide is a small, water-soluble peptide that contains no oils, waxes or heavy silicones, so it does not clog pores or sit in the follicle. Clinical and lab data show no increase in micro-comedone formation when it is used at typical cosmetic levels. It is therefore considered non-comedogenic and is suitable for people prone to acne or breakouts.

Because it is often paired with light gel or serum bases rather than rich creams, the finished formulas also tend to stay pore friendly.

Summary

Sh-Oligopeptide-81 Amide is a lab made histidine-rich peptide that helps manage sebum, fights microbes that cause blemishes and bad breath, hinders plaque on teeth, draws moisture into skin and lends a fresh feel to oral care. It achieves these tasks by binding surface oils, disrupting bacterial membranes and holding water through its amino acid structure.

The peptide is gaining traction in oil-control serums and next-gen mouthwashes but it is still a niche player compared with classics like niacinamide or hyaluronic acid. Formulators appreciate its multitasking nature and vegan sourcing.

Current research shows it is low-risk for irritation and has no known toxicity concerns when used in cosmetics. As with any new product, do a quick patch test first to make sure your skin plays nicely with the full formula.

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