Linum Usitatissimum Extract Best Plant extracts No known benefits Linum Usitatissimum Extract description _Linum usitatissimum_ extract, commonly known as flaxseed or linseed, is a soothing non-fragrant extract. It is a significant source of omega fatty acids which enhance skin’s hydration by preventing moisture loss. Related ingredients: Flaxseed Oil Linseed Seed Oil Linum Usitatissimum (Linseed) Seed Oil Flax