Palmitoyl Oligopeptide-70: 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: July 1, 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 Palmitoyl Oligopeptide-70?

Palmitoyl Oligopeptide-70 is a lab-made ingredient created by joining palmitic acid, a fatty acid found in palm oil and other plant fats, with a short chain of 70 amino acids known as Oligopeptide-70. This pairing lets the peptide slip more easily into oils and creams, making it friendly to skin care formulas.

The idea of linking fatty acids to peptides started gaining traction in the early 2000s when formulators looked for ways to help peptides stay stable and reach the skin’s surface without breaking down. Since then Palmitoyl Oligopeptide-70 has found a place in many beauty products aimed at smoothing skin and reinforcing nails.

Manufacturers produce it through a controlled reaction: they first synthesize the peptide, then attach palmitic acid to one end. The finished ingredient is purified, dried into a fine powder or paste and blended into cosmetic bases.

Because it can condition skin and nails while adding a touch of softness, you will spot Palmitoyl Oligopeptide-70 in moisturizers, anti-aging serums, sheet masks, hand creams, cuticle oils and specialty nail treatments.

Palmitoyl Oligopeptide-70’s Cosmetic Benefits/Uses

Here is what this multitasker brings to a formula

  • Skin Conditioning: helps skin feel smoother and more supple by supporting its natural barrier and drawing in light moisture
  • Nail Conditioning: fortifies the nail plate, reduces brittleness and improves overall appearance making nails look healthier
  • Emollient: adds a silky slip to creams and serums, easing application and leaving a soft after-feel without heaviness

Who Can Use Palmitoyl Oligopeptide-70

This ingredient is gentle enough for most skin types. Dry normal and combination skin usually welcome its light emollience while sensitive skin tends to tolerate it thanks to the absence of strong fragrances or acids. Those with very oily or acne-prone skin may want to monitor how their skin responds because the fatty acid tail could feel a bit rich in very heavy formulas though Palmitoyl Oligopeptide-70 itself is considered low on the pore-clogging scale.

Because it is fully lab-made and does not rely on animal sources it is suitable for vegans and vegetarians. The palmitic acid used is typically derived from plant oils and the peptide portion is synthesized in a reactor rather than extracted from animal tissue.

Current data show no specific risks for women who are pregnant or breastfeeding when this ingredient is used topically at standard cosmetic levels. Still this is not medical advice and anyone who is pregnant or nursing should check with a healthcare professional before adding new products to their routine.

Palmitoyl Oligopeptide-70 does not increase photosensitivity so there is no special need for sun avoidance beyond common daily SPF habits. It also plays well with most other skincare actives and preservatives which makes it easy to slot into existing routines.

Potential Side Effects/Adverse Reactions

Responses to any skincare ingredient can differ from person to person. The points below list potential side effects that might occur though most users will not experience them when the product has been formulated and used as intended.

  • Mild redness or irritation especially on very reactive skin
  • Temporary itching or stinging on application if the skin barrier is already compromised
  • Breakouts or clogged pores in individuals extremely prone to acne when the ingredient is used in richer oil-based products
  • Allergic contact dermatitis in the rare case of a true peptide or fatty acid allergy

If any of these reactions occur discontinue use and seek medical advice if symptoms persist or worsen.

Comedogenic Rating

Rating: 1/5

Although Palmitoyl Oligopeptide-70 carries a palmitic acid tail, it is used in very small amounts and the fatty acid is chemically bound to a large peptide that limits its ability to clog pores. The finished molecule mixes well with water-based phases rather than sitting on the skin as a thick oil, so the likelihood of blocking follicles is low.

Most people prone to acne can use products containing this ingredient without extra concern, but ultra-rich balms that pair it with heavier oils may still feel too occlusive for very oily skin.

Formulation style and total oil load matter more to breakout risk than the presence of Palmitoyl Oligopeptide-70 on its own.

Summary

Palmitoyl Oligopeptide-70 conditions skin, softens nails and acts as a light emollient. It does this by combining a moisture-holding peptide with a fatty acid that improves spreadability and helps reinforce the skin barrier while lending flexibility to the nail plate.

The ingredient sits in the niche category of peptide-fatty hybrids, so it is not as famous as retinol or vitamin C yet it appears in a growing number of mid to high-end serums, hand creams and specialty nail treatments.

Safety data show it is generally well tolerated with only rare reports of irritation or allergy. As with any new product a quick patch test is a smart move to confirm personal compatibility.

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