Arachis Hypogaea Oil: 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 publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Arachis Hypogaea Oil?

Arachis Hypogaea Oil is a light to medium weight oil pressed from the kernels of the peanut plant, Arachis hypogaea. The kernels contain a mix of fatty acids, mainly oleic and linoleic acids, along with smaller amounts of palmitic and stearic acids that help give the oil a balanced texture and skin-softening ability. Peanuts have been cultivated for thousands of years in South America, and their oil has long served culinary and household purposes. In cosmetics its popularity grew in the early 20th century when refiners learned to remove the natural aroma and proteins that can trigger allergies, yielding a stable neutral oil suitable for skin care.

The production process usually involves cleaning and shelling the peanuts, cold or expeller pressing the kernels to obtain crude oil, then refining the oil through degumming, neutralization, bleaching and deodorizing steps. These stages strip out color, odor and potential irritants while keeping the beneficial fatty acids intact.

Thanks to its mild profile and versatile texture, Arachis Hypogaea Oil appears in many topical products such as facial and body moisturizers, nourishing masks, massage oils, baby lotions, lip balms, hair conditioners and after-sun treatments.

Arachis Hypogaea Oil’s Cosmetic Benefits/Uses

Formulators choose this ingredient mainly for its ability to soften and smooth the skin.

Its primary role is skin conditioning, meaning it helps replenish the skin’s natural lipid layer, reduce transepidermal water loss and leave the surface feeling supple and comfortable. The balanced ratio of oleic and linoleic acids provides lasting emollience without a heavy greasy residue, making the oil suitable for both daily leave-on products and richer overnight treatments.

Who Can Use Arachis Hypogaea Oil

This oil suits most skin types, especially normal, dry and mature complexions that crave extra moisture. Its medium weight can feel a bit rich for very oily or acne-prone skin, which may prefer lighter oils or gel textures. Because it comes from a plant and no animal-derived additives are used during standard refining, the ingredient is considered vegan and vegetarian friendly.

Pregnant and breastfeeding women generally tolerate refined peanut oil in topical products, but this is not medical advice. Anyone expecting or nursing should check with a healthcare professional before starting a new skincare routine just to be safe.

Arachis Hypogaea Oil is not known to increase photosensitivity so daytime use does not require extra sun precautions beyond a regular broad-spectrum sunscreen. People with a confirmed peanut allergy should avoid it altogether, even in refined form, since trace proteins could remain.

Potential Side Effects/Adverse Reactions

Reactions to topical Arachis Hypogaea Oil differ from person to person. The points below list potential side effects, though most users experience none when the ingredient is properly refined and formulated.

  • Allergic contact dermatitis in individuals sensitive to peanuts
  • Redness, itching or hives if trace peanut proteins trigger an immune response
  • Clogged pores or breakouts on very oily or acne-prone skin
  • Rancid or oxidized oil may cause irritation or an unpleasant odor

If any irritation, swelling or other unwanted reaction occurs stop using the product and consult a medical professional.

Comedogenic Rating

Rating: 2 out of 5. Refined peanut oil sits in the low to mid range because its balance of oleic and linoleic acids lets most skin breathe while still adding richness. It can slow water loss without forming a heavy film that blocks pores, yet on very oily or congested skin it may still add enough surface oil to trigger blackheads or small pimples.

People who break out easily might prefer lighter oils like hemp or sunflower, while normal, dry and mature skin types usually tolerate Arachis Hypogaea Oil well.

As with many plant oils the risk of pore clogging rises if the oil oxidizes, so products should be stored tightly closed away from heat and light.

Summary

Arachis Hypogaea Oil is mainly a skin conditioning ingredient that softens, smooths and reinforces the skin’s natural barrier by supplying a mix of oleic, linoleic, palmitic and stearic acids. This fatty acid profile helps lock in moisture and leaves skin feeling supple without an overly greasy afterfeel.

The oil shows up in moisturizers, body lotions, lip care and massage blends but it is not as trendy as argan, jojoba or coconut, partly due to peanut allergy concerns. Still many formulators value its mild texture and ready supply.

Safety wise refined peanut oil is well tolerated by most users when sourced and stored properly. The main cautions are for anyone with a known peanut allergy or extremely acne prone skin. As with any new cosmetic ingredient it is smart to perform a quick patch test before full use to make sure your skin agrees with it.

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