Oligopeptide-14: 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 Oligopeptide-14?

Oligopeptide-14 is a lab made chain of seventeen amino acids that include alanine, asparagine, glutamine, glycine, isoleucine, leucine, lysine and valine. Because it is created in a controlled setting chemists can design the sequence to stay stable in a skin care formula and deliver predictable results. Peptides captured the interest of the beauty industry in the early 2000s when research showed that small protein fragments could signal skin to act younger. Oligopeptide-14 is one of the later generations developed to give brands a targeted option for skin protection.

Manufacturers usually rely on solid phase peptide synthesis, a step by step process that joins amino acids one at a time on a resin bead. Once the full chain is built it is freed from the bead, purified and dried into a fine powder that easily dissolves into creams, gels or serums.

You will spot Oligopeptide-14 in lightweight serums, eye creams, sheet masks, anti aging moisturizers, soothing post procedure gels and occasional spot treatments that aim to keep the skin barrier healthy.

Oligopeptide-14’s Cosmetic Benefits/Uses

In skin care formulas Oligopeptide-14 is valued mainly for one clear job.

Skin protecting: This peptide helps reinforce the skin’s surface so it can better defend itself against daily stressors like pollution, dry air and harsh products. By supporting the barrier it can leave skin feeling calmer, more resilient and less prone to tightness or flakiness.

Who Can Use Oligopeptide-14

Because it is lightweight and non greasy Oligopeptide-14 suits most skin types including dry, oily, combination and sensitive. It works by supporting the barrier rather than flooding skin with heavy emollients so even acne prone users usually tolerate it well. There are no known reasons for people with eczema, rosacea or hypersensitive skin to avoid it unless their skin reacts to the overall formula.

The peptide is made entirely in the lab without any animal derived raw materials so it fits a vegan or vegetarian lifestyle.

Current data shows no specific risks for pregnant or breastfeeding women when Oligopeptide-14 is applied to intact skin. This is not medical advice and anyone who is expecting or nursing should still clear any skincare routine with a qualified doctor to be safe.

The ingredient does not make skin more sensitive to sunlight and can be used morning or night without raising the risk of sunburn. It also plays well under makeup, sunscreen and most active treatments like vitamin C or niacinamide.

Potential Side Effects/Adverse Reactions

Responses to any cosmetic can differ from person to person. The points below list potential side effects that could occur from topical use of Oligopeptide-14, yet they are rare when the ingredient is formulated and used correctly.

  • Mild redness or warmth immediately after application
  • Temporary stinging on compromised or freshly exfoliated skin
  • Itching or small rash if the user is allergic to the peptide or other formula components
  • Pimples or congestion if the product contains pore clogging oils or waxes alongside the peptide
  • Interaction with leave on acids or retinoids that could amplify irritation in very sensitive skin

If any of these reactions occur stop use right away and seek guidance from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0/5. Oligopeptide-14 is a small water-soluble peptide that does not contain heavy oils, waxes or fatty acids that can block pores. It disperses easily in lightweight formulas and rinses clean from the skin surface, so it has virtually no clogging potential. This makes it a safe pick for people who are prone to acne or frequent breakouts. Unless the finished product includes other pore-clogging ingredients, Oligopeptide-14 itself should not trigger congestion.

Summary

Oligopeptide-14 is a lab crafted chain of 17 amino acids that mainly acts as a skin-protecting agent. By sitting on the skin surface it helps shore up the barrier so it can fend off dryness, pollution and everyday stress. This support leaves skin feeling calmer, smoother and more resilient.

While peptides as a group enjoy solid buzz in the beauty world, Oligopeptide-14 is still a niche option that shows up in select serums, masks and post-procedure gels rather than mainstream drugstore lines. Its gentle, non-oily nature means most users, including sensitive and acne-prone skin types, can enjoy the benefits without worry.

Current research and real-world use suggest the ingredient is low risk with minimal side effects. As with any new skincare product, it is wise to perform a quick patch test before applying it to the whole face to make sure your skin likes the full formula.

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