What is Flaxseed Oil?
Chemically, Flaxseed Oil (INCI name: Linum Usitatissimum Seed Oil) is a plant- or seed-derived oil. A fragile omega-3 oil that oxidises quickly; commonly rated around 4 and generally kept out of leave-on facial products.
You may see it on labels as Flaxseed Oil, Flax Oil, Linseed Oil, Linseed, so it can hide under more than one name in an ingredient list.
Where Flaxseed Oil shows up
Flaxseed Oil is commonly formulated into facial oils, cleansing balms, moisturisers, hair products, and many products marketed as natural. Separately from clogging, its irritancy is rated 0/5 — low, so it's unlikely to sting or sensitise on its own.
Is Flaxseed Oil bad for acne-prone skin?
If you are acne-prone, Flaxseed Oil is one to watch — especially when it appears in the first few ingredients, which means it's present at higher concentration. Lower down a long ingredient list, its practical impact drops considerably.
Worth flagging: Flaxseed Oil's rating is disputed. Credible sources land on different numbers, which is why we show a range rather than a single score — and why your own experience is the best tiebreaker.
Note for fungal-acne (malassezia) sufferers: Flaxseed Oil is commonly avoided in fungal-acne routines, since it falls into the fatty-acid or ester families the yeast can feed on. The evidence there is looser than for comedogenicity — see our fungal-acne checker for context.
Non-comedogenic alternatives
If you're avoiding Flaxseed Oil, these lower-risk ingredients serve a similar role and are gentler on pore-prone skin:
- Squalane — rated 1/5 (Low risk).
- Hemp Seed Oil — rated 0/5 (Low risk).
- Sunflower Oil — rated 0/5 (Low risk).