What Makes Plum Kernel Oil So Interesting for Skin?

ROWAN & THISTLE JOURNAL

Reading Time: 5 minutes

Plum kernel oil's oleic-rich profile helps explain its appeal as a softening oil. Linoleic acid is another part of the picture (though plum kernel oil is not usually among the oils with the highest proportion of it). Research on skin lipids tells us that linoleic acid has an important role in healthy barrier function. It does not follow that every oil containing some linoleic acid has been shown to repair damaged skin when rubbed on. Composition is a useful clue, not a clinical result.

The same caution applies to the oil's naturally occurring antioxidant compounds. Laboratory tests can measure how an oil or its components behave under particular conditions. That can tell us something about its character and storage. It does not show that a few drops of plum kernel oil will prevent visible aging, erase sun damage, or stand in for sunscreen. There are studies describing plum oil's chemistry, but little direct human research testing those kinds of skin claims for plum kernel oil itself.

Then there is the scent

That faint almond-like note makes certain plum kernel oils memorable, even among oils with similar fatty acid profiles. Depending on sourcing and processing, one oil may smell gently sweet, another may be much quieter, and a finished product may smell different again.

A naturally appealing scent can be a pleasure, but “naturally scented” does not always mean “unscented” or guarantee comfort for scent-sensitive skin. If fragrance is a concern for you, pay attention to the actual product and its complete ingredient list. A small patch test is sensible if botanical products have troubled your skin before. The pleasant aroma is an experience, not evidence of a skin benefit.

There is also an appealing practical possibility in using the kernel. Plum stones can be left over when fruit is processed, and studies have examined recovering useful oil from those seeds. Whether a particular bottle actually comes from such a stream depends on its supplier and supply chain. We cannot assume every plum oil is upcycled simply because it comes from a part of the fruit people do not normally eat.

What to look for in the bottle

When choosing a facial or body oil, consider more than the featured botanical. Is plum kernel oil the whole product or one ingredient in a blend? Are fragrance or essential oils included? Does the texture suit the amount you like to use? A lovely oil that feels too rich when applied generously may feel quite different at two or three drops. The surrounding ingredients, freshness, packaging, and your own preferences all shape the experience. As with other plant oils, keep the bottle closed and away from heat and strong light. If its smell changes sharply over time, do not assume that is simply a charming variation in the plum harvest.  Oils are perishable and visible or sensory evidence of changes should not be ignored.

For dry-feeling skin, try a small amount after washing and give it a moment before dressing. If your face is easily unsettled, introduce one new product at a time so you can tell what agrees with you. If you still want more moisture, consider your cleanser, hot water, and how damp your skin is before applying oil.

Plum kernel oil is interesting precisely because it brings several modest virtues together: an appealing feel, a recognizable fatty acid profile, naturally present minor compounds, and sometimes that delicate almond-like scent. None needs an exaggerated claim. The pleasure of a well-chosen oil is often that simple—it makes skin feel comfortable, and you enjoy using it.

Notes & Sources

• Stryjecka M, Cymerman J. “Effect of extraction methods on physicochemical and antioxidant properties of oil extracted from plum (Prunus domestica L.) seeds.” International Agrophysics, 2026. https://doi.org/10.31545/intagr/210658

• Rodríguez-Blázquez S, et al. “Valorization of Prunus Seed Oils: Fatty Acids Composition and Oxidative Stability.” Molecules, 2023. https://doi.org/10.3390/molecules28207045

• Savić I, et al. “Physico-Chemical Properties and Oxidative Stability of Fixed Oil from Plum Seeds (Prunus domestica Linn.).” Biomolecules, 2020. https://doi.org/10.3390/biom10020294

• Lin T-K, Zhong L, Santiago JL. “Anti-Inflammatory and Skin Barrier Repair Effects of Topical Application of Some Plant Oils.” International Journal of Molecular Sciences, 2018. https://doi.org/10.3390/ijms19010070

Continue Exploring

In the Herbarium: Plum Kernel Oil (when available)

In the Journal: What Does Oil Actually Do for Your Skin?; Why Do Some Oils Absorb Quickly While Others Feel Greasy?