What is Linseed Oil Used For: Exploring the Uses and Benefits of Linseed Oil

Linseed or flaxseed oil is a versatile substance used for centuries. It is derived from the ripe seeds of the flax plant, known as Linum usitatissimum.

The extraction process carefully produces a rich, amber-colored oil with a distinctive, slightly nutty flavor. It is packed with beneficial compounds, such as alpha-Linolenic acid (ALA), linoleic acid, and oleic acid.

It also contains lignans, compounds with antioxidant properties, and vitamin E, known for its antioxidant and skin-nourishing properties.

We’ll explore linseed oil’s various uses and benefits, from its role in our diet to its applications in woodworking and beyond. Stay tuned to discover why linseed oil is a true jack of all trades.

Linseed Oil vs Flaxseed Oil: Is There a Difference?

There’s a lot of confusion when it comes to linseed oil and flaxseed oil. Are they the same thing? Are they different? They’re essentially the same product derived from the same plant, the flax plant. However, the terms are often used in different contexts.

Linseed oil is commonly used in industrial contexts, such as woodworking and painting. On the other hand, flaxseed oil is the term you’re more likely to encounter in a health food store or a culinary context.

But rest assured, whether you’re buying linseed or flaxseed oil, you’re getting the same beneficial compounds, including those essential Omega-3 fatty acids.

The Drying Properties of Linseed Oil

One of the unique properties of linseed oil is its ability to dry or “cure” when exposed to air. This is due to its polymer-forming properties. When linseed oil dries, it reacts with the oxygen in the air. This reaction causes the oil to harden, forming a solid, protective layer.

This drying property is one of the reasons why linseed oil is so popular in applications like woodworking and painting. When applied to wood, linseed oil penetrates the surface, dries, and hardens, providing a protective, water-resistant finish.

This makes it an excellent choice for preserving and enhancing the natural beauty of wood.

Linseed Oil in Art: A Painter’s Companion

In the world of art, linseed oil holds a special place. It’s been used for centuries as a binder in oil paints. The oil acts as a vehicle for the pigment, helping it adhere to the canvas while influencing the paint’s drying time and finish.

When mixed with pigment, linseed oil provides a smooth, buttery consistency that artists love. It also enhances the luster and vibrancy of the colors.

And thanks to its slow drying time allows artists to work with the paint for longer, blending and manipulating the colors to achieve the desired effect.

Linseed Oil for Wood Finishing

When it comes to wood finishing, linseed oil is a classic choice. Its ability to penetrate deep into the wood and harden makes it an excellent protector against scratches, water damage, and wear. But how exactly do you use linseed oil for wood finishing?

The process is straightforward. Start by sanding the wood to a smooth finish, then apply a thin layer of linseed oil using a brush or cloth. Allow the oil to penetrate the wood for about 20-30 minutes, then wipe off any excess oil.

Repeat this process until you achieve the desired finish. Remember, linseed oil takes time to dry, so allow each coat to dry fully before applying the next.

While linseed oil offers many benefits, it has potential disadvantages. One of the main drawbacks is its slow drying time. It can take several days for a coat of linseed oil to dry, delaying your project.

Additionally, linseed oil darkens the wood, which might not be desirable if you want to maintain the wood’s original color.

Linseed Oil in Nutrition: A Dietary Supplement

Linseed oil isn’t just for wood and paint; it’s also a valuable dietary supplement. Rich in Omega-3 fatty acids, linseed oil can help control cholesterol and blood sugar levels, reducing the risk of heart disease and diabetes.

It’s also a good source of dietary fiber, which aids in digestion and helps maintain a healthy weight.

To incorporate linseed oil into your diet, you can supplement or use it in your cooking. However, it’s important to note that linseed oil has a low smoke point, so it’s not suitable for high-heat cooking methods like frying.

Linseed Oil for Cooking: Is it Safe?

This brings us to the question, is linseed oil safe for cooking? The answer is yes but with some caveats. As mentioned earlier, linseed oil has a low smoke point, which means it can start to break down and produce harmful compounds if heated too high. Therefore, it’s best used in cold dishes like salads or smoothies or added to cooked dishes just before serving.

When using linseed oil in cooking, knowing its strong flavor is important. Some people love linseed oil’s nutty, slightly bitter taste, while others find it overpowering. Start with a small amount and adjust to your liking.

Linseed Oil for Skin and Hair Care

Linseed oil isn’t just for wood finishing and cooking; it’s also a fantastic addition to your skincare and hair care routine. Thanks to its rich composition of fatty acids and antioxidants, linseed oil can help nourish your skin and hair from the inside out.

For skin, linseed oil acts as a natural moisturizer, helping to lock in hydration and keep your skin soft and supple. Its anti-inflammatory properties can also help soothe irritated skin and reduce redness.

To use linseed oil in your skincare routine, add a few drops to your regular moisturizer or apply it directly to your skin.

Regarding hair care, linseed oil can help add shine and strength to your locks. It can help seal the hair cuticles, reducing frizz and promoting a smooth, shiny appearance.

You can add a few drops of linseed oil to your shampoo or conditioner or apply it directly to your hair as a mask.

Linseed Oil in Industrial Applications

Beyond its uses in cooking, art, and personal care, linseed oil also plays a significant role in various industrial applications. One of its most notable uses is in producing linoleum, a durable flooring material. Linseed oil is mixed with cork dust and wood flour to create linoleum.

Linseed oil is also used to produce alkyd resins used in paints and coatings. The oil’s ability to polymerize, or form long chains of molecules, makes it ideal for creating these resins.

However, using linseed oil in these applications isn’t without its challenges. The oil’s slow drying time can be a drawback in industrial settings, and its tendency to yellow over time can affect the appearance of products like paint and linoleum.

Safety and Precautions When Using Linseed Oil

Despite its many benefits, using linseed oil safely and responsibly is important. So, is linseed oil toxic? The answer is no, not when used properly. However, there are some safety considerations to keep in mind.

Firstly, linseed oil is not suitable for people with a flaxseed allergy. Also, when used for wood finishing or industrial applications, linseed oil-soaked rags can pose a fire hazard if not properly disposed of due to the heat produced when the oil oxidizes.

When ingested as a supplement or used in cooking, linseed oil is generally safe. Still, it’s always a good idea to consult with a healthcare provider before starting any new supplement regimen.

Tips on How to Safely Use and Store Linseed Oil

While linseed oil is generally safe to use, handling and storing it properly is important to ensure its longevity and prevent potential hazards. Here are some tips to help you use and store linseed oil safely:

  1. Store in a Cool, Dark Place: Exposure to heat and light can cause linseed oil to deteriorate faster. Store linseed oil in a cool, dark place, away from direct sunlight and heat sources to maintain its quality.
  2. Seal the container Tightly: Linseed oil can react with air, leading to oxidation and rancidity. Always ensure the container is sealed tightly after use to minimize its exposure to air.
  3. Dispose of Linseed Oil-Soaked Materials Properly: Linseed oil-soaked rags or brushes can spontaneously combust if not disposed of properly. After use, please place them in a metal container filled with water, seal the container, and dispose of it at a hazardous waste facility.
  4. Use with Adequate Ventilation: When using linseed oil for wood finishing or other applications, ensure the area is well-ventilated to avoid the buildup of fumes.
  5. Wear Protective Gear: If you’re using linseed oil for a project, wear protective gear such as gloves and eye protection to prevent any accidental skin or eye contact.
  6. Keep Out of Reach of Children and Pets: Like any oil or supplement, linseed oil should be kept out of reach of children and pets.

By following these safety tips, you can enjoy the many benefits of linseed oil while ensuring its safe use and storage.

Common Products and Brands Featuring Linseed Oil

Thanks to its beneficial properties, Linseed oil is a popular ingredient in various products. Here are some common products and brands that feature linseed oil:

  1. Paints and Wood Finishes: Brands like Winsor & Newton and Old Holland Classic Oil Colors offer artist-grade oil paints that use linseed oil as a binder. For wood finishes, products like Sunnyside Corporation’s Boiled Linseed Oil are popular for woodworkers.
  2. Dietary Supplements: Barlean’s and Nature’s Bounty offer linseed oil supplements, often in soft gels or liquid.
  3. Skincare Products: Some skincare brands, like Weleda and Burt’s Bees, incorporate linseed oil into their products for their skin-nourishing benefits.

Frequently Asked Questions About Linseed Oil

A few common questions often come up when it comes to linseed oil. Let’s address some of them:

What are the side effects of linseed oil?
While linseed oil is generally safe for most people, it can cause some side effects, especially when consumed in large amounts.

These can include bloating, diarrhea, stomach pain, and allergic reactions. Always consult with a healthcare provider before starting any new supplement regimen.

How to remove linseed oil?
If you need to remove linseed oil from a surface, use a solvent like mineral spirits or acetone. Apply the solvent to a cloth and gently rub the surface until the oil is removed. Remember to work in a well-ventilated area and wear protective gear when using solvents.


From its role in art and woodworking to its benefits for our health and beauty, linseed oil is indeed a versatile and valuable substance. It’s unique properties and wide range of applications make it a gem in many industries.

Whether you’re using it to finish a piece of furniture, boost your health, or even enhance your skin and hair, this golden oil has something to offer.

As with any product, it’s important to use linseed oil safely and responsibly, but with the right knowledge and precautions, you can enjoy the many benefits this oil offers.