Pentaclethra Macrophylla Seed 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: July 1, 2025
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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 Pentaclethra Macrophylla Seed Oil?

Pentaclethra Macrophylla Seed Oil is a plant derived oil pressed from the seeds of Pentaclethra macrophylla, a large tree native to West and Central Africa and sometimes called the African oil bean tree. The seeds are rich in lipids, particularly oleic and linoleic fatty acids, along with smaller amounts of palmitic and stearic acids that help give the oil its smooth, velvety feel. Traditional communities have long valued the seeds for food and skin care, and modern formulators took notice of their softening properties in the early 2000s when interest in botanical oils surged.

To obtain the cosmetic grade oil, the cleaned seeds are mechanically crushed and cold pressed. The crude oil is then filtered and sometimes gently refined to remove odor or color while keeping the fatty acid profile intact. Because it remains liquid under normal room temperatures and has a mild, nutty scent, the oil is easy to blend into many waterless or low water formulations.

You will spot Pentaclethra Macrophylla Seed Oil in moisturizing creams, facial oils, body butters, hair masks, anti aging serums and soothing after sun products where it lends a rich, nourishing slip without feeling greasy.

Pentaclethra Macrophylla Seed Oil’s Cosmetic Benefits/Uses

This multi tasking oil supports skin health in several ways

  • Skin conditioning: The fatty acids help reinforce the skin’s natural barrier, leaving it feeling softer and more supple while reducing the look of dryness or flakiness
  • Emollient: The oil forms a light, breathable film that smooths rough patches, fills in tiny surface gaps and boosts overall comfort making formulas feel luxurious on application

Who Can Use Pentaclethra Macrophylla Seed Oil

Pentaclethra Macrophylla Seed Oil suits most skin types. Dry, mature and normal skin usually welcome its rich fatty acids, while balanced or combination skin can enjoy its lightweight feel without a heavy residue. Those with very oily or acne prone skin may want to introduce it slowly since any lipid rich oil has the chance, however small, to feel too occlusive for them.

The oil is plant derived with no animal by-products or processing aids, so it is considered appropriate for both vegetarians and vegans.

No specific research flags problems for women who are pregnant or breastfeeding when using this oil topically, but this is not medical advice. Anyone who is expecting or nursing should show any skincare product to their doctor or midwife before adding it to a routine just to be safe.

The oil is not known to increase photosensitivity and can be worn during the day under sunscreen. It is also fragrance free in its refined form, making it a gentle option for people who prefer unscented formulas.

Potential Side Effects/Adverse Reactions

Reactions to topical Pentaclethra Macrophylla Seed Oil vary from person to person. The points below list potential issues, though most users will not run into any trouble when the ingredient is used correctly in a well-made product.

  • Allergic contact dermatitis – very rare but possible in individuals sensitive to legume or tree nut proteins
  • Mild redness or stinging – can occur if the skin barrier is already compromised or if high concentrations are applied to broken skin
  • Temporary clogged pores – more likely in those with very oily or congestion prone skin if large amounts are layered without proper cleansing

If irritation or any other unwanted effect develops stop using the product and consult a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 2/5

Pentaclethra Macrophylla Seed Oil sits in the low to middle range because its fatty acid mix leans slightly higher in oleic acid, which can feel rich on the skin, yet it also carries a fair amount of lighter linoleic acid that keeps the texture from being overly heavy. This balance means it is unlikely to clog pores for most people, though those who are highly prone to breakouts might still want to keep an eye on how their skin responds. Unrefined batches may contain tiny bits of waxes or proteins that can raise the clogging risk a little, but cosmetic grade refined oil usually removes most of these.

Overall it can be used by many acne prone users, but very oily skin may prefer lighter oils or use this one sparingly.

Summary

Pentaclethra Macrophylla Seed Oil conditions the skin and acts as an emollient by supplying a mix of oleic and linoleic fatty acids that reinforce the skin barrier, smooth rough spots and leave a soft finish. It is still a niche ingredient compared with staples like jojoba or argan, yet formulators who work with it appreciate its silky feel and mild scent.

Topical use is considered safe for the vast majority of people, with only rare reports of allergy or irritation. As with any new skincare ingredient it is wise to perform a quick patch test before full use, especially if your skin is sensitive.

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