Cannabis Sativa Seed/Stem 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 24, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Cannabis Sativa Seed/Stem Oil?

Cannabis Sativa Seed/Stem Oil is a plant oil pressed from the small brown seeds and fibrous stems of Cannabis sativa. The oil is naturally packed with skin friendly fatty acids, mainly linoleic acid (omega-6) and alpha-linolenic acid (omega-3), along with smaller amounts of oleic acid and antioxidant vitamin E. These nutrients give the oil its light texture and help skin hold onto moisture.

People have used hemp seed oil for soothing dry skin since ancient times in Asia and the Middle East. Modern cosmetic labs picked up on its gentle nature in the late 20th century once cold-press technology made it easy to extract a clean, low-odor oil that meets strict legal limits on THC. Today the oil is made by mechanically pressing cleaned seeds and finely milled stem pieces at low temperatures, then filtering out plant solids. The resulting golden green liquid blends well with other oils, water-based gels and emulsions.

You are most likely to spot Cannabis Sativa Seed/Stem Oil in everyday moisturizers, body lotions, face serums, lip balms, calming masks, after-sun gels, scalp treatments and lightweight anti-aging creams where formulators want a non-greasy plant oil that comforts sensitive skin.

Cannabis Sativa Seed/Stem Oil’s Cosmetic Benefits/Uses

In skin and hair care formulas this ingredient mainly serves two supportive roles that help keep moisture levels balanced and surfaces smooth.

  • Emollient – The oil’s fatty acids fill in tiny gaps between skin cells so the surface feels softer and looks smoother. This cushioning effect can calm rough patches and reduce the appearance of flakiness
  • Humectant – It attracts a light veil of water to the top layers of skin, helping to maintain hydration throughout the day without leaving a heavy or greasy film

Who Can Use Cannabis Sativa Seed/Stem Oil

This lightweight oil suits most skin types, including dry, normal, combination and even oily or acne-prone skin thanks to its fast absorption and balanced ratio of omega-6 to omega-3 fatty acids. Extremely sensitive or allergy-prone skin can usually tolerate it as well because the oil contains little to no fragrances or common irritants.

The ingredient is plant derived and produced without animal by-products so it is appropriate for vegans and vegetarians.

Current research shows no known issues for topical use during pregnancy or while breastfeeding. That said this is not medical advice and anyone who is pregnant or nursing should have a doctor review all skincare products for added peace of mind.

Cannabis Sativa Seed/Stem Oil is not known to increase photosensitivity, meaning it will not make skin more prone to sunburn. Standard daytime sun protection is still recommended as part of a healthy routine.

The oil is free of gluten, nuts and soy which can be beneficial for people with those specific ingredient allergies.

Potential Side Effects/Adverse Reactions

Responses to topical Cannabis Sativa Seed/Stem Oil vary from person to person. The points below outline potential side effects that can occur, although most users will not experience them when the ingredient has been correctly processed and formulated.

  • Allergic contact dermatitis – Rare itching, redness or rash in individuals sensitive to components of the hemp plant
  • Irritation on broken skin – Stinging or mild burning if applied to open cuts or eczema fissures
  • Acne flare-up – Occasional clogged pores in people already prone to congestion if very large amounts are applied without proper cleansing
  • Oxidative rancidity – An off smell and possible skin irritation if the oil has been stored for a long time or exposed to heat and light
  • Allergic reaction to trace proteins – Extremely uncommon hives or swelling in individuals with severe hemp seed food allergies if minute protein residues remain

Discontinue use and seek medical advice if any discomfort or adverse reaction develops while using this ingredient or a product containing it.

Comedogenic Rating

Rating: 1 (very low)

Cannabis Sativa Seed/Stem Oil is rich in lightweight polyunsaturated fatty acids that absorb quickly and do not sit thickly on the skin, so it rarely traps dead cells or debris inside pores. Studies that chart the clogging potential of cosmetic oils consistently place hemp seed oil at the low end of the scale, just above non-comedogenic ingredients like squalane. Because the oil can oxidize over time, very old or poorly stored batches may become slightly more pore-blocking than fresh oil.

Overall it is usually a good choice for people prone to acne or breakouts.

If you live in a hot climate or store products in a steamy bathroom, keep an eye on expiration dates since rancid oils have a higher chance of provoking congestion.

Summary

Cannabis Sativa Seed/Stem Oil acts as an emollient and a humectant. Its omega-6 and omega-3 fatty acids smooth rough patches by filling the spaces between skin cells and its light water-attracting properties help skin maintain comfortable hydration throughout the day.

The ingredient has gained steady popularity over the last decade as consumers look for plant-based moisturizers that feel weightless yet nourishing. While it is not as ubiquitous as coconut or jojoba oil, you will frequently spot it in modern moisturizers serums and lip care.

Topically the oil is considered safe for most users with a very low rate of irritation or allergy. As with any new skincare ingredient it is smart to perform a quick patch test when trying a product that contains Cannabis Sativa Seed/Stem Oil just to be on the safe side.

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