Rubus Laciniatus 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: June 30, 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 Rubus Laciniatus Seed Oil?

Rubus Laciniatus Seed Oil is a plant oil pressed from the small seeds of the cutleaf blackberry, a member of the rose family. The rich dark berries have been eaten for centuries, but the seeds were once discarded during jam and juice making. Over time researchers found that the seeds contain a lightweight golden oil packed with skin friendly fatty acids such as linoleic, oleic and alpha linolenic acid along with natural vitamin E and plant sterols. These nutrients help explain why the oil soon caught the eye of cosmetic chemists.

The oil is made by cleaning and drying the spent seeds, followed by cold pressing or mechanical expeller pressing. This gentle method keeps heat to a minimum so the delicate antioxidants stay intact. After pressing, the oil is filtered to remove tiny seed particles then stored in light-blocking containers to preserve freshness.

Its mild scent, quick absorption and balanced fatty acid profile make it a versatile choice for modern formulas. You will now see Rubus Laciniatus Seed Oil in facial serums, lightweight moisturizers, night creams, lip balms, scalp oils, body lotions and after-sun gels where brands want a natural plant based emollient with a subtle finish.

Rubus Laciniatus Seed Oil’s Cosmetic Benefits/Uses

This ingredient appears on labels because it is classed as a skin conditioning agent, a role that covers several beauty benefits.

As a skin conditioner Rubus Laciniatus Seed Oil softens rough patches, smooths flakiness and helps reinforce the skin’s own moisture barrier. The blend of omega fatty acids forms a breathable film that slows water loss so skin feels hydrated for longer without a greasy afterfeel. Its natural vitamin E adds mild antioxidant support that can help shield the surface from everyday environmental stress, which in turn supports a more supple, comfortable look and feel.

Who Can Use Rubus Laciniatus Seed Oil

Most skin types can enjoy this light non greasy oil. Its high level of linoleic acid means it sinks in quickly which is helpful for oily or combination skin that dislikes heavy textures while the softening oleic acid still brings comfort to normal and mildly dry skin. Sensitive skin generally tolerates it well thanks to the low scent and absence of harsh actives. Extremely dry or compromised skin may need a richer occlusive layered on top because this oil is more lightweight than butters or waxes.

Because the ingredient is extracted from a plant and contains no animal derived additives it is suitable for vegetarians and vegans.

There is no evidence that topical Rubus Laciniatus Seed Oil poses a specific risk during pregnancy or while nursing. That said this information is not medical advice. Anyone who is pregnant or breastfeeding should show the full ingredient list of any product they plan to use to their doctor just to be safe.

The oil is not known to cause photosensitivity so it will not make skin more reactive to sunshine. Standard daytime sun protection is still recommended when you are outdoors.

Potential Side Effects/Adverse Reactions

Responses to any cosmetic ingredient can differ between individuals. The effects listed below are possibilities not probabilities. When the oil has been processed and preserved correctly most users experience only the intended conditioning benefits.

  • Mild skin irritation such as redness or stinging in people who are sensitive to berry family plants
  • Allergic contact dermatitis triggered by seed proteins that remain in trace amounts
  • Clogged pores or breakouts in users who react poorly to any added fragrances or heavy oils blended alongside it
  • Rancid smell or color change if the oil has oxidized which can in turn irritate very reactive skin

If you notice any persistent irritation discomfort or breakouts stop using the product and seek advice from a qualified healthcare professional.

Comedogenic Rating

Rating: 1 / 5. Rubus Laciniatus Seed Oil is rich in lightweight linoleic acid which absorbs quickly and helps balance sebum rather than sit on top of skin. Its molecules are smaller than those in heavier seed butters so they are less likely to get trapped in pores. While any oil can clog if used in excess this one is generally considered low risk and is usually fine for people prone to acne or breakouts. As with most natural oils quality matters: fresh cold-pressed batches oxidize more slowly which keeps their pore-clogging potential low.

Summary

Rubus Laciniatus Seed Oil works mainly as a skin-conditioning emollient that softens surface texture supports the moisture barrier and supplies mild antioxidant protection thanks to its mix of omegas vitamin E and plant sterols. It shows up in a growing number of modern serums moisturizers and balms because formulators like its quick dry finish and gentle plant origin, though it is still less common than bigger name oils like argan or jojoba.

Overall safety is high with few reports of irritation or allergy. As with any new skincare ingredient it is wise to perform a small patch test first to make sure your skin agrees with it before applying more broadly.

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