Oil Paint
Liquid Clear Vs. Linseed Oil: What Is the Difference?
Liquid Clear and linseed oil can both increase flow in oil painting, but they are not interchangeable; viscosity, drying behavior, and intended use can differ.
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Liquid clear and linseed oil are very similar materials; however, the main difference is that the Bob Ross brand manufactures liquid clear following the right guidelines and thickness, and on the other hand, natural linseed oil can work like liquid clear, but it is not properly processed with the right thickness.
Also, there are more differences like uses, cost, grade, thickness, and more.
In this article, I will explain the main difference between liquid clear and linseed oil.
In other article, I already explained
liquid clear vs. linseed oil: Key points
Liquid Clear is a prepared wet-on-wet medium, while linseed oil is a drying oil; they can affect flow and drying differently, so substitution should be tested carefully.
| Liquid clear | Linseed oil | |
| Uses | Wet on wet painting based coat, between layers, thinning paint | Wet on wet based coat, thinning paint, any hard oil paint project like wood painting |
| Thickness | Thin | Think then liquid clear |
| Grade | Artistic grade | Student/artistic grade |
| Main Issue | Less yellowing problem | Yellowing problem |
| Solvent mixed | Yes | No |
| Main material | Linseed oil, solvent | Natural oil |
| Availability | Hard to find | Very easy to find |
| Known time | Around 40 years | About 2000 years or more |
| Ownership | Bob Ross brand | No ownership |
| Cost | Expensive | Inexpensive |
What is the difference between liquid clear and linseed oil?
Liquid Clear is formulated as a painting medium with a specific working consistency, while linseed oil is a drying oil used in many oil-paint mediums and binders.
Uses
Liquid clear is manufactured by the Bob Ross brand especially for wet on wet technique. It also can be applied as paint thinner. On the other hand, linseed oil has a lot of uses. Examples from canvas painting to wood painting. In the wet-on-wet technique, it can similarly be used as a base coat, between layers, thinning paint. The liquid clear and the liquid white main ingredient is linseed oil.
Thickness
Liquid clear thickness is very thin by mixing different ingredients like linseed oil, solvent, and other secret materials. And linseed oil is naturally thick.
Grade
Liquid clear is a very unique and artistic grade product. On the other side, depending on linseed oil quality, it has different grades like student and artistic.
Main issue
Yellowing is the main issue for linseed oil and this oil-based product. However, liquid clear is a yellowing resistance product but still has very little chance of yellowing.
Solvent
To make the liquid clear thin, it mixes with an odorless solvent. And linseed oil is a natural product. It does not mix with any solvent.
Main material
Liquid clear material is linseed oil, solvent, and other secret materials. Linseed oil is natural oil.
Availability
Liquid clear is manufactured by the Bob Ross brand. It is very hard to find outside of the USA. On the other hand, linseed oil is very easy to find in any craft store.
Known time
Liquid clear known as about 40 years following Bob Ross and Bill Alexander wet on wet technique. And linseed oil names related to oil painting form long history. It may be around 2000 years or more.
Cost
Liquid clear is a bit expensive, but it's worth it. And linseed oil is inexpensive and easy to find.
Where can you find liquid clear and Linseed oil?
Both are widely sold through art-supply stores and online retailers, but choose artist-grade products and check the manufacturer’s intended use before buying.
| Material type | Grade | Note | |
| Bob Ross Liquid Clear | Liquid clear | Artistic and Bob Ross brand | Recommended product |
| Winsor & Newton Refined Linseed Oil | Linseed oil | Artistic grade | Popularly uses in painting project |
Why should you choose liquid clear instead of linseed oil?
Liquid Clear offers a predictable wet-on-wet consistency for the Bob Ross technique, while plain linseed oil may change flow, drying, gloss, and film behavior differently.
Related Articles
These guides compare nearby wet-on-wet mediums and materials, including liquid clear, base coats, thinner, and oil paint.
Do You Need Liquid Clear for Bob Ross Technique?
When liquid clear is used as a transparent base medium in wet-on-wet painting.
What Does Bob Ross Use as a Base Coat?
Why liquid white and other wet base coats matter for blending and paint flow.
What Odorless Paint Thinner Does Bob Ross Use?
Why odorless thinner is used for paint consistency, cleanup, and brush care.
Are Bob Ross's Paintings Oil or Acrylic?
A look at the oil paints and wet-on-wet materials behind Bob Ross-style painting.