Acetyl Tripeptide-82: 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 23, 2025
Share:
Inside this article:

All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Acetyl Tripeptide-82?

Acetyl Tripeptide-82 is a small chain of three amino acids that has been modified by acetylation, a simple chemical step that helps the peptide stay stable and blend well with skin care formulas. The original tripeptide is lab made, so the ingredient does not rely on animal or plant harvesting. It first drew interest in cosmetic labs during the search for gentle yet effective anti-aging actives in the early 2000s, when researchers noticed that short peptides could signal the skin to look smoother and feel firmer. Production begins with solid-phase peptide synthesis, where the three amino acids are linked in a precise order. An acetyl group is then added to the chain, giving the molecule better compatibility with oils and creams. After purification and safety testing the finished powder is ready for use in a wide range of products. You will often spot Acetyl Tripeptide-82 in lightweight serums, firming masks, moisturizing creams, eye treatments and daily lotions that aim to boost skin resilience.

Acetyl Tripeptide-82’s Cosmetic Benefits/Uses

This versatile peptide supports the skin in more than one way, making it a helpful addition to many formulas.

  • Skin Conditioning: Helps the surface of the skin feel softer and look smoother by supporting healthy moisture levels and encouraging a refined texture
  • Skin Protecting: Forms a light shield that reduces everyday stress from pollution and weather so the skin can maintain a balanced appearance

Who Can Use Acetyl Tripeptide-82

Acetyl Tripeptide-82 is generally suitable for all major skin types including dry, normal, combination and oily skin because it is lightweight and non-greasy. Sensitive skin usually tolerates it well thanks to its gentle nature, though anyone with a known peptide allergy should avoid it.

The peptide is produced entirely in the lab so no animal-derived materials are involved. This makes it appropriate for vegans and vegetarians.

There is no published evidence linking topical Acetyl Tripeptide-82 to problems during pregnancy or breastfeeding. That said this is not medical advice and pregnant or nursing individuals should confirm any skincare choice with a qualified healthcare provider.

The ingredient does not increase photosensitivity, so it can be used morning or night without raising sunburn risk. As always daily sunscreen remains important for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to Acetyl Tripeptide-82 can differ from person to person. The following represents a list of potential side effects which are considered uncommon when the ingredient is formulated and used correctly.

  • Mild redness or warmth
  • Temporary itching
  • Very slight stinging on sensitive or broken skin
  • Rare allergic contact dermatitis in individuals reactive to peptides

If irritation or any unexpected reaction occurs discontinue use and consult a healthcare professional.

Comedogenic Rating

Rating: 0/5 – non-comedogenic

Acetyl Tripeptide-82 is a small water-soluble peptide used at low levels, so it does not form thick films or trap oil inside pores. Its light footprint and lack of fatty components mean it poses virtually no risk of clogging.

For this reason it is considered safe for acne-prone skin.

Any breakout concerns are more likely linked to richer emollients or waxes that may appear alongside the peptide, not the peptide itself.

Summary

Acetyl Tripeptide-82 conditions and protects by signaling the skin to stay smooth and by forming a thin shield that guards against daily stress. The added acetyl group keeps the peptide stable so it can do its job in serums, creams and eye products.

While it is not the most famous ingredient on store shelves its gentle profile and compatibility with other actives are making it a quiet favorite among formulators looking for mild anti-aging support.

Safety data show very low irritation and no pore-clogging issues, but every complexion is unique so a quick patch test is still the smart move when trying a new product that contains Acetyl Tripeptide-82.

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