Acetyl Octapeptide-17 Amide: 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
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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 Octapeptide-17 Amide?

Acetyl Octapeptide-17 Amide is a lab crafted chain of eight amino acids whose tail end has been capped with an amide group and whose head end carries an acetyl group. These small tweaks help the peptide stay stable on the skin surface and slip into water-based formulas with ease.

The peptide itself does not come from plants or animals; it is built step by step in a sterile manufacturing setting using solid-phase peptide synthesis. Each amino acid is added in sequence, the chain is acetylated, then the final amide bond is formed. After purification the powder is blended into cosmetic bases.

Peptides began turning heads in skin care in the early 2000s when researchers found they could send helpful “signals” to skin cells. Octapeptide-17 was one of the later entrants in this wave, and chemists soon discovered that acetylating and amidating it made the molecule even more agreeable for topical use. Brands picked it up for creams and serums that target early signs of aging.

Today you will spot Acetyl Octapeptide-17 Amide in lightweight lotions, eye creams, sheet masks and leave-on anti-aging treatments that promise smoother more conditioned skin.

Acetyl Octapeptide-17 Amide’s Cosmetic Benefits/Uses

This peptide offers one clear advantage for skin care formulas.

Skin conditioning: Acetyl Octapeptide-17 Amide helps the surface of the skin feel softer and look more even. By supporting the skin’s own proteins it can reduce the appearance of fine lines, boost suppleness and leave a velvety finish that makes makeup glide on more smoothly.

Who Can Use Acetyl Octapeptide-17 Amide

Because it is lightweight and water soluble, Acetyl Octapeptide-17 Amide tends to sit well on every major skin type including oily, combination, dry and mature. Sensitive skin also usually tolerates it since the molecule is gentle and fragrance free. Those with very reactive or compromised barriers should still proceed slowly as any new peptide can occasionally provoke redness.

The ingredient is entirely synthetic and contains no animal by-products so it fits vegan and vegetarian lifestyles without issue.

Pregnant or breastfeeding women are not known to face added risk from topical use of this peptide, but this is not medical advice. Anyone who is expecting or nursing should check with a healthcare professional before adding new skincare.

Acetyl Octapeptide-17 Amide does not make skin more prone to sunburn so there is no added photosensitivity concern, though daily sunscreen remains essential for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to topical Acetyl Octapeptide-17 Amide vary from person to person. The effects listed below are possible yet uncommon when the ingredient is used at the levels typically found in cosmetics.

  • Transient tingling or stinging on application
  • Mild redness or warmth in the treated area
  • Itchiness linked to individual sensitivity
  • Rare allergic contact dermatitis presenting as persistent rash
  • Interaction irritation when layered with strong exfoliating acids or retinoids

If any unwanted reaction occurs stop use immediately and seek guidance from a medical professional.

Comedogenic Rating

Rating: 0 / 5

Acetyl Octapeptide-17 Amide is a small, water soluble peptide that does not contain heavy oils, waxes or fatty acids that typically clog pores, so it earns a solid zero on the comedogenic scale. Its quick-absorbing nature means it leaves no greasy film that could trap dead skin cells or sebum.

Suitable for acne-prone and breakout-prone skin.

Because the peptide is usually included at low concentrations and paired with lightweight bases, its presence rarely alters the overall pore-friendliness of a formula, though other ingredients in the product still matter.

Summary

Acetyl Octapeptide-17 Amide is prized for one main job: skin conditioning. By sending gentle signals that support the skin’s own structural proteins it helps soften texture, blur fine lines and give a smoother, more supple finish.

While not as famous as heavyweight actives like retinol or vitamin C, this peptide enjoys steady popularity in eye creams, serums and sheet masks aimed at early aging concerns. Brands appreciate its stability and compatibility with water based formulas.

Topical use is considered very safe with low risk of irritation or pore clogging for most skin types. As with any new skincare ingredient, patch testing is wise before full-face application just to be cautious.

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