Cutaneous Lysate: 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 24, 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 Cutaneous Lysate?

Cutaneous Lysate is a blend of proteins that have been broken down into smaller pieces, known as peptides, through a process called hydrolysis. These proteins are usually sourced from animal skin that would otherwise go to waste in the leather or food industries, giving the material a second life. Hydrolysis uses water, heat and gentle enzymes to split the large proteins into tiny fragments that can more easily blend into creams and lotions.

The idea of adding broken-down proteins to beauty formulas took off in the 1970s when researchers noticed that smaller protein pieces could sit on the skin, pull in moisture and form a light protective film. Over time suppliers refined the extraction and hydrolysis steps to create highly purified lysates that are stable, odor-neutral and easy to include in modern formulas.

You will most often spot Cutaneous Lysate in moisturizers, anti-aging creams, sheet masks, overnight masks, soothing serums and leave-on treatments aimed at boosting hydration or reinforcing the skin barrier.

Cutaneous Lysate’s Cosmetic Benefits/Uses

Here is what Cutaneous Lysate brings to a skincare formula:

  • Moisturising: The small protein fragments attract water like tiny sponges then hold it at the skin surface. This helps skin feel smoother, reduces the look of fine lines caused by dryness and supports a soft, plump appearance.
  • Skin Protecting: Once the peptides pull in moisture they form a light breathable film. This film helps shield the skin from everyday irritants, limits transepidermal water loss and supports the skin’s own barrier function.

Who Can Use Cutaneous Lysate

Thanks to its lightweight film-forming nature Cutaneous Lysate suits most skin types, including dry, normal, combination and even oily skin that needs extra hydration without a greasy feel. Sensitive skin usually tolerates it well because the ingredient is purified and has low odor, yet people with known allergies to animal proteins should approach with caution since the lysate is derived from animal skin.

Because the source material comes from animals Cutaneous Lysate is not considered vegan or vegetarian friendly. Those following a plant-only lifestyle may wish to seek peptide alternatives made from soy, rice or other botanical proteins.

No specific data links Cutaneous Lysate to risks during pregnancy or breastfeeding. It is generally viewed as a gentle topical, but this is not medical advice. Expectant or nursing women should always show the full ingredient list of any cosmetic they plan to use to their healthcare provider to be on the safe side.

The ingredient does not increase photosensitivity so there is no special need to avoid daylight after application. Standard daily sunscreen use is still encouraged for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Cutaneous Lysate can differ from one user to another. The points below outline potential side effects yet most people will not experience them when using a well-formulated product.

  • Allergic contact dermatitis: Redness, itching or swelling in users who are sensitive to animal-derived proteins
  • Mild stinging or warmth: Usually transient and more common when applied to compromised or freshly exfoliated skin
  • Breakouts: Rare clogged pores or small bumps in individuals whose skin reacts poorly to any film-forming ingredient
  • Rash or hives: Very uncommon but possible if the immune system flags the peptides as foreign

If irritation or any unexpected reaction develops stop use immediately and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5

Cutaneous Lysate is water soluble and forms a very thin breathable film, so it does not sit heavy in pores or add excess oil. Reports of clogged pores are rare, giving it a low score of 1. Most people prone to acne should find it suitable, though individual reactions can differ.

Because the ingredient is usually added in low amounts and rinses off easily with normal cleansing, the risk of buildup over time is minimal.

Summary

Cutaneous Lysate is mainly valued for two things: it pulls in moisture to keep skin soft and plump, and it lays down a light protective film that helps guard the skin barrier. Those benefits come from its small protein fragments, which act like tiny water magnets then link together on the surface to lock that hydration in.

The ingredient enjoys steady but not headline-level popularity. You will see it in many mid to high tier moisturizers, sheet masks and barrier creams, yet it has not reached the buzz of hyaluronic acid or ceramides.

Safety data show it to be gentle for most users, with only isolated reports of allergy in people sensitive to animal proteins. As with any new skincare add-in, a short patch test on a small area is wise before using it all over the face.

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