Oligopeptide-177 Trifluoroacetate: 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-177 Trifluoroacetate?

Oligopeptide-177 Trifluoroacetate is a small chain of amino acids that has been paired with trifluoroacetic acid to create a stable salt form. This pairing keeps the peptide fresh and active until it is blended into a cosmetic formula. The peptide sequence itself is designed in a lab, often inspired by natural skin proteins that help keep the skin barrier strong. Once the peptide is synthesized, it is purified, neutralized with trifluoroacetic acid then dried into a fine powder that dissolves easily in water based solutions.

Peptides first gained attention in skin care during the early 2000s when brands looked for gentler anti aging tools beyond retinol and acids. Oligopeptide-177 is one of the newer lab made options created to target barrier support without irritation. Today suppliers offer the trifluoroacetate salt to cosmetic labs because it mixes well, keeps a long shelf life and does not need heavy preservatives.

You will usually spot Oligopeptide-177 Trifluoroacetate in leave on products where contact time matters most. Think light serums, daily moisturizers, night creams, sheet masks and post procedure soothing gels. In these formulas it partners with hydrators and antioxidants to round out an all in one skin caring blend.

Oligopeptide-177 Trifluoroacetate’s Cosmetic Benefits/Uses

This ingredient mainly serves as a skin protecting agent, which means it helps reinforce the surface of the skin so it can better defend itself against dryness, pollution and everyday wear. By supporting the natural barrier, it can reduce tightness, improve softness and make other active ingredients feel less harsh.

Who Can Use Oligopeptide-177 Trifluoroacetate

Because it is a lightweight lab made peptide that focuses on barrier support, Oligopeptide-177 Trifluoroacetate suits most skin types including dry, normal, combination, oily and even sensitive skin. It has no added oils or pore clogging waxes so acne prone users usually tolerate it well. People with very reactive skin conditions such as rosacea or eczema often look for gentle barrier helpers like this peptide though individual tolerance can still vary.

The peptide is produced through plant based fermentation or solid phase synthesis, not harvested from animals, making it appropriate for vegans and vegetarians.

No data suggests that Oligopeptide-177 Trifluoroacetate poses a special risk during pregnancy or breastfeeding. That said this is not medical advice and anyone who is pregnant or nursing should show the full ingredient list of any product to their doctor before use.

The ingredient does not trigger photosensitivity so daytime use is fine without extra sun precautions beyond a regular broad spectrum sunscreen.

Formulators can pair it with most common actives such as niacinamide, vitamin C or retinol because it is stable across a broad pH range and does not easily break down when mixed with other ingredients.

Potential Side Effects/Adverse Reactions

Responses to topical Oligopeptide-177 Trifluoroacetate differ from person to person. The effects listed below are possible but unlikely for most users when the ingredient is properly formulated and used as directed.

  • Mild redness or warmth shortly after application, usually fading within minutes
  • Tingling or slight itching in very sensitive skin
  • Rare allergic contact dermatitis marked by persistent rash or swelling
  • Stinging if applied to broken or freshly exfoliated skin

If any uncomfortable reaction develops stop using the product and consult a healthcare professional or dermatologist for guidance.

Comedogenic Rating

Rating: 0

Oligopeptide-177 Trifluoroacetate is a tiny water soluble peptide that contains no oils, waxes or heavy emollients that could sit in pores. Once dissolved in a formula it stays in the water phase and is easily rinsed or absorbed without leaving an occlusive film. Because it is not lipid based and is used at very low percentages, it earns the lowest possible comedogenic score.

Suitable for acne prone or breakout susceptible skin.

The only time a clogging issue could arise is from the overall product base, not from the peptide itself, so always look at the full ingredient list if congestion is a concern.

Summary

Oligopeptide-177 Trifluoroacetate is a lab designed peptide salt that strengthens the skin barrier, helping skin stay hydrated and resilient against daily stress. By mimicking fragments of natural skin proteins it signals the surface to hold moisture better and calm potential irritation.

This peptide is still a niche ingredient, appearing in select high end serums and soothing creams rather than everyday drugstore picks, but its reputation for being gentle yet effective is steadily growing.

Current safety data shows a very low risk of irritation or pore blockage, making it friendly for most skin types including sensitive and acne prone users. As with any new skincare ingredient it is smart to do a small patch test before regular use to rule out personal sensitivities.

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