Hemp seed oil is a carrier oil. It checks every box: it’s a cold-pressed vegetable oil with a mild scent, it absorbs well into the skin, and it safely dilutes concentrated essential oils for topical use. With a comedogenic rating of 0, meaning it won’t clog pores, hemp seed oil is one of the more versatile carrier oils available.
What Makes an Oil a “Carrier Oil”
A carrier oil is any plant-derived oil used to dilute essential oils before they touch your skin. Essential oils are highly concentrated and can cause irritation or burns when applied directly. Carrier oils “carry” them into the skin at a safe concentration while adding their own moisturizing and nutritional benefits.
To qualify, an oil generally needs to be pressed from the fatty parts of a plant (seeds, nuts, or kernels), have a relatively neutral scent that won’t overpower essential oils, and be gentle enough for direct skin contact. Hemp seed oil fits all of these criteria. It’s mechanically cold-pressed from the seeds of the Cannabis sativa plant using the same process as sunflower or sesame oil production.
Fatty Acid Profile and Skin Benefits
Hemp seed oil stands out from many carrier oils because of its unusually rich fatty acid composition. Linoleic acid makes up about 55 to 57% of the oil, and alpha-linolenic acid accounts for another 16 to 20%. It also contains oleic acid (11 to 16%) and small amounts of gamma-linolenic acid, a fatty acid with particular interest in skincare for its role in calming inflammation.
The ratio of omega-6 to omega-3 fatty acids in hemp seed oil sits around 3:1, which is considered optimal for human nutrition. Beyond fatty acids, the oil contains 100 to 150 milligrams of vitamin E compounds (tocopherols and tocotrienols) per 100 grams, along with phytosterols, phospholipids, and carotenes. These naturally occurring antioxidants help protect skin from environmental damage and support the skin’s moisture barrier.
Its comedogenic rating of 0 means hemp seed oil is suitable for virtually all skin types, including acne-prone skin. Many popular carrier oils, like coconut oil, rate higher on the comedogenic scale and can trigger breakouts in sensitive individuals. Hemp seed oil avoids that problem entirely.
How to Use It With Essential Oils
The standard dilution ratio for adults is 2 to 3% essential oil to carrier oil. In practical terms, that means 12 to 18 drops of essential oil per one ounce (30 milliliters) of hemp seed oil. For children or anyone with sensitive skin, drop that to 1% or lower: six drops or fewer per ounce of carrier oil.
Before applying any blend to a larger area of your body, do a patch test on a small section of skin first. Wait 24 hours to check for redness, itching, or irritation. Hemp seed oil itself is non-toxic, biodegradable, and well tolerated, but essential oils vary widely in their potential to cause reactions.
Hemp seed oil has a lighter, less greasy texture than thicker carrier oils like castor or avocado oil. This makes it a good choice for facial serums and everyday body oils where you don’t want a heavy residue. It blends easily with popular essential oils like lavender, tea tree, and frankincense.
Hemp Seed Oil Is Not CBD Oil
This is one of the most common points of confusion. Hemp seed oil and CBD oil both come from the hemp plant, but they come from completely different parts of it and contain completely different compounds.
Hemp seed oil is pressed from the seeds and contains essential fatty acids, vitamins, and minerals. It has no more than trace amounts of cannabinoids like CBD or THC. CBD oil (sometimes called hemp concentrate) is extracted from the flowers and leaves of the plant and primarily consists of cannabinoids. The two products serve different purposes, are made through different processes, and are regulated differently. When you’re shopping for a carrier oil, you want hemp seed oil, not CBD oil.
Storage and Shelf Life
The high concentration of polyunsaturated fatty acids that makes hemp seed oil so beneficial for skin also makes it vulnerable to oxidation. Once the oil goes rancid, it loses its nutritional value and can irritate skin rather than help it. How you store the oil matters significantly.
Research testing different storage conditions over 270 days found that hemp seed oil kept at room temperature under normal light degraded noticeably in most containers. Polypropylene (plastic) bottles performed worst, allowing oxygen to permeate and push oxidation levels past acceptable limits. Amber glass provided reasonable protection at room temperature for about three months, with peroxide levels staying within safe limits during that period.
The best results came from storing the oil in dark glass containers at refrigerated temperatures (around 10°C or 50°F). Under those conditions, oxidative changes were minimal even after months of storage. Filling the container as close to the top as possible also helps by reducing the amount of air trapped inside. If you buy hemp seed oil in a clear bottle, transfer it to a dark glass container and keep it in the refrigerator. You’ll get a noticeably longer useful life from the oil.
How It Compares to Other Carrier Oils
- Jojoba oil: Technically a liquid wax, not a true oil. It closely mimics the skin’s own sebum and has an extremely long shelf life. Hemp seed oil delivers more essential fatty acids but oxidizes faster.
- Sweet almond oil: Another popular, lightweight carrier oil. It’s higher in oleic acid and lower in omega-3s than hemp seed oil, making it slightly more stable but less nutritionally complex for the skin.
- Coconut oil: Very stable and widely available, but its comedogenic rating of 4 makes it a poor choice for anyone prone to breakouts. Hemp seed oil’s rating of 0 gives it a clear advantage for facial use.
- Grapeseed oil: Similar in texture and weight to hemp seed oil, with a comparably high linoleic acid content. Both work well for oily or combination skin types.
Hemp seed oil occupies a useful middle ground: lightweight enough for facial application, rich enough in fatty acids to deliver real skin benefits, and compatible with essentially all skin types. Its main drawback is a shorter shelf life compared to more saturated oils, which is easily managed with proper storage.