Quinoyl Tripeptide-35: 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
Share:
Inside this article:

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 Quinoyl Tripeptide-35?

Quinoyl Tripeptide-35 is a lab crafted molecule made by linking quinic acid, a plant based antioxidant naturally present in sources like coffee beans and certain fruits, with a short chain of three amino acids known as Tripeptide-35. By combining the two, chemists get a stable hybrid that blends the protective power of quinic acid with the skin and hair friendly traits of peptides.

The idea of joining plant acids to peptides grew in popularity in the early 2000s when brands searched for gentler but effective actives. Researchers found that tying quinic acid to a small peptide kept the antioxidant activity intact while improving how well it holds on to skin and hair. Today the ingredient is made through controlled peptide synthesis followed by a coupling reaction that bonds the quinic acid to the peptide under mild, water based conditions. The finished powder dissolves easily into both water and light oils which makes it flexible for formulators.

You will most often spot Quinoyl Tripeptide-35 in anti aging serums, daily moisturizers, sheet masks, scalp tonics, leave in conditioners and color protecting shampoos. Its multitasking nature also means it shows up in soothing after sun gels and barrier repair creams.

Quinoyl Tripeptide-35’s Cosmetic Benefits/Uses

This multitasking ingredient brings several helpful actions to modern formulas

  • Antioxidant – helps neutralize environmental free radicals which can dull skin tone and fade hair color; keeps products themselves fresher for longer
  • Hair Conditioning –smooths the hair cuticle so strands feel softer, look shinier and are easier to detangle
  • Skin Protecting –supports the skin’s natural barrier by forming a light weight film that locks in moisture and shields against daily aggressors like pollution and dry air

Who Can Use Quinoyl Tripeptide-35

Quinoyl Tripeptide-35 is gentle enough for most skin types including dry, normal, combination and oily skin. Its feather-light film forming ability helps dry skin hold moisture while the non-greasy feel suits oilier complexions. Those with sensitive or easily irritated skin usually tolerate it well because it is free of common triggers such as fragrances and harsh solvents. If your skin is extremely reactive and flares up with even mild actives, you may want to introduce it slowly since any new ingredient can be unpredictable on fragile skin.

The peptide is created entirely through plant derived and synthetic steps with no animal by-products so it is suitable for both vegans and vegetarians.

Current safety data shows no specific issues for women who are pregnant or breastfeeding when Quinoyl Tripeptide-35 is used in normal topical amounts. This is not medical advice and pregnant or nursing women should clear any skincare routine with their doctor just to be safe.

The molecule does not make skin more sensitive to sunlight and there is no evidence of it breaking down into photo-irritating by-products. Standard daytime sunscreen use is still advised for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to topical Quinoyl Tripeptide-35 can differ from person to person. The points below outline potential reactions but most users will not experience them when the ingredient is properly formulated and used as directed.

  • Mild redness or warmth shortly after application
  • Temporary stinging on very compromised or freshly exfoliated skin
  • Rare allergic contact dermatitis marked by itching swelling or rash
  • Eye irritation if the product accidentally gets into the eyes
  • Build-up and limp feel on fine hair when used in heavy leave-in products

If you notice any of the reactions above stop use and consult a healthcare professional or dermatologist for guidance.

Comedogenic Rating

Rating: 0 / 5 – non-comedogenic

Quinoyl Tripeptide-35 is a small, water-soluble molecule that does not contain heavy oils or waxes and forms only a very light, breathable film on skin. It is quickly absorbed or rinsed away, so it is unlikely to clog pores or trap sebum. For these reasons formulators consider it non-comedogenic.

This makes it suitable for acne-prone or breakout-prone skin. If breakouts occur they are more likely due to other richer ingredients in the finished formula rather than Quinoyl Tripeptide-35 itself.

The only caveat is that leave-on products that pair the peptide with occlusive butters or silicones could still feel heavy on very oily skin, so always check the full ingredient list.

Summary

Quinoyl Tripeptide-35 delivers three key benefits: antioxidant protection that mops up free radicals, hair conditioning that smooths the cuticle for softness and shine, and skin protecting action that reinforces the outer barrier with a weightless film. It achieves these effects by combining the polyphenol strength of quinic acid with the affinity peptides have for keratin in skin and hair, giving a dual plant-peptide punch in one stable molecule.

While not yet a mainstream headline ingredient it is gaining steady traction in niche anti-ageing serums, color-safe shampoos and barrier creams because it plays well with many other actives and does not add greasiness.

Current safety data and consumer use reports show Quinoyl Tripeptide-35 to be low risk for irritation or allergies in the concentrations found in cosmetics. As with any new skincare ingredient it is wise to perform a small patch test first to ensure personal compatibility before applying a product to larger areas.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search