Linseed oil is a yellowish drying oil derived from the dried ripe seeds of the flax plant (Linum usitatissimum, Linaceae). It is obtained by pressing, followed by an optional stage of solvent extraction .
Its uses include:
The linoleic acid in linseed oil is used as a dietary supplement.
Safety Note: Rags soaked in linseed oil can self-ignite if stored in a confined space. They should be washed with water and disposed of carefully.