Hexapeptide-22: 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 27, 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 Hexapeptide-22?

Hexapeptide-22 is a lab made chain of six amino acids built from arginine, glutamic acid, glutamine and tyrosine. Chemists piece these amino acids together in a precise order through solid phase peptide synthesis, a process that lets them create pure copies every time. Because it is synthetic there is no animal or plant source involved, which helps keep quality steady and avoids supply issues.

The cosmetic industry began exploring short peptides in the early 2000s for their ability to signal skin cells to act younger. Hexapeptide-22 emerged from this research as brands searched for gentle options that work well with the skin’s own biology. Today formulators add it to products that aim to refresh a tired complexion.

You will most often see Hexapeptide-22 in lightweight serums, anti aging moisturizers, sheet masks and eye creams. It can also appear in targeted treatments that promise smoother texture or improved firmness.

Hexapeptide-22’s Cosmetic Benefits/Uses

Hexapeptide-22 has one main role in skincare formulas

As a skin conditioning agent it helps the surface of the skin feel softer and look more even. Regular use can support a smoother appearance, which is why brands position it in products that claim to boost radiance and reduce the look of fine lines.

Who Can Use Hexapeptide-22

Hexapeptide-22 is considered suitable for most skin types including dry, oily, sensitive and combination because it is lightweight and non-occlusive. Sensitive skin generally tolerates it well thanks to its gentle nature though, as with any new ingredient, sensitivity can never be entirely ruled out. There are no known skin types that must avoid it specifically.

Because Hexapeptide-22 is produced entirely in the lab without animal-derived materials, it aligns with vegan and vegetarian lifestyles.

Current data does not indicate any specific risks for pregnant or breastfeeding women when Hexapeptide-22 is applied topically. That said, safety studies in these groups are limited. This information is not medical advice and expectant or nursing mothers should review any skincare products with their doctor before use just to be safe.

Hexapeptide-22 does not increase photosensitivity so there is no special need for extra sun precautions beyond daily broad-spectrum sunscreen that dermatologists already recommend.

Potential Side Effects/Adverse Reactions

Side effects from topical Hexapeptide-22 vary between individuals. The issues listed below are potential outcomes, not typical experiences, and most users will not encounter them when the ingredient has been correctly formulated and used as directed.

  • Mild redness or irritation
  • Temporary stinging or burning sensation
  • Localized itching
  • Allergic contact dermatitis in rare cases
  • Interaction with other active ingredients leading to heightened sensitivity

If any of these reactions occur discontinue use and consult a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0 / 5

Hexapeptide-22 is a small water-soluble peptide that does not form a film or leave heavy residues on the skin, so it is very unlikely to clog pores. It contains no oily carriers or waxy components that can trap sebum or dead cells, which is why it earns a solid zero on the comedogenic scale.

Because of this non-pore-clogging profile it is generally considered suitable for people who are prone to acne or frequent breakouts.

Most formulas that feature Hexapeptide-22 pair it with lightweight humectants and emulsifiers, further lowering any clogging risk, but the final feel will still depend on the full ingredient list of a given product.

Summary

Hexapeptide-22 is a lab made blend of six amino acids that works as a skin-conditioning agent. By supporting a smoother surface it helps skin look softer and more even with ongoing use. Its water-light texture and non-occlusive nature make it easy to slip into serums, creams and masks without weighing skin down.

While not yet a household name like retinol or vitamin C, interest in short peptides is growing and Hexapeptide-22 is gaining quiet traction among brands that focus on gentle age-supporting formulas.

Current data points to a strong safety profile with few reported reactions when used as directed. Still, every skin is different so it is wise to patch test any new product that contains Hexapeptide-22 before applying it to the entire face.

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