Ingredients

Linoleic Acid

What linoleic acid does in skincare, where this essential fatty acid comes from, and how it fits into an emollient routine.

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Quick facts

INCI name
Linoleic Acid
CAS number
60-33-3
Origin
Plant-derived or Animal-derived or Synthetic
Chemical class
Omega-6 polyunsaturated fatty acid
What it does in a formula
skin conditioning, emollient
Why it is in the formula
Usually included as a skin-conditioning fatty acid in oils, moisturizers, or active-focused formulas.

What it is

Despite the word acid in its name, linoleic acid is an omega-6 polyunsaturated fatty acid rather than an exfoliating acid like glycolic acid. It occurs naturally in skin lipids and diverse plant oils, though cosmetic grades can also be manufactured. On an ingredient list, the name does not state whether it was added on its own, derived from plant oil, or created synthetically.

What it does

  • Conditions skin. Linoleic acid can contribute to a soft, conditioned feel in a finished formula.
  • Adds an emollient component. It is a fatty acid found in oils and can help reduce the dry feel of skin.
  • Contributes to oil character. Its proportion affects a plant oil’s fatty-acid profile and how that oil behaves.
  • Is not an exfoliant. It does not work like glycolic acid simply because both names contain the word acid.

Who it suits

Linoleic acid appears in products for different skin types, often in oils or moisturizers. It may appeal if you want fatty-acid conditioning, but the ingredient list cannot predict whether an oil will feel too rich or suit acne-prone skin. Comedogenic scores are unreliable. If you are sensitive, introduce a new product gradually and consider the entire formula rather than attributing a reaction to one ingredient.

What to pair it with, and what not to

Linoleic acid needs no special partner. It can appear with humectants such as glycerin in a moisturizer. It is not an exfoliating acid that needs a neutralizing step.

Skin Realist check: An ingredient can be a familiar part of skin biology without needing to become the star of every bottle.

Quick picks with Linoleic Acid

Picked from label facts only. We haven't tested these products.

All 7 products with Linoleic Acid

Daily Moisturizers & Water Gel Creams (3)

Gel, Foam & Cream Facial Cleansers (1)

Cream & Gel Treatment Masks (1)

Hydrating Toners, Essence Waters & Face Mists (1)

Face Oils & Treatment Oils (1)

Common questions

What does linoleic acid do for skin?

Linoleic acid is a fatty acid found in skin lipids and plant oils. In skincare it can condition skin and contribute to the feel of an oil or moisturizer.

Is linoleic acid the same as an exfoliating acid?

No. Linoleic acid is a fatty acid, not an exfoliating alpha-hydroxy acid like glycolic acid. Its role in a formula is generally conditioning or emollient.

Is linoleic acid good for oily skin?

It may appear in oils and products for many skin types, but the finished formula and your texture preference matter. There is no guarantee that an ingredient containing it will suit every oily or acne-prone person.

Can you use linoleic acid with retinol?

There is no general incompatibility that requires separating them. If both are in your routine, follow each product's directions and introduce stronger actives gradually.

Sources