Is lavender oil good for skin?

There is no established topical benefit that would justify it on function. It is in a formula because it smells like lavender, which is a legitimate reason to want it and not a skincare one.

Does it calm irritated skin?

The calming evidence is about inhaling the scent, not about applying the oil. On skin it behaves as a fragrance material, and fragrance materials are more often a cause of irritation than a cure for it.

Is it safe during pregnancy?

We have left that unknown rather than guess. Essential oils are one of the areas where advice varies by market and by clinician, and a pregnancy question is worth taking to yours rather than to an ingredient page.

Can I put it on undiluted?

Applying neat essential oil to skin is one of the commonest ways people sensitise themselves to one. Whatever a product does, it does at the level a formulator chose and tested.

Why does the list show lavender oil and linalool?

Because linalool is one of the oil's major constituents, and once it passes a locally set level it has to be named separately. It is one ingredient appearing twice.

Lavender Oil — Ingredient Guide

How it works

Lavender oil is steam-distilled from the flowering tops of Lavandula angustifolia. It is a mixture rather than a molecule, dominated by linalool and linalyl acetate with a tail of minor components, and the proportions shift with the variety, the soil it grew in, the season, when it was cut, how it was distilled and how long it has been stored. One INCI name, and a materially different material batch to batch — the honest reason a distilled extract is harder to specify than a synthesised molecule.

In a skincare formula its function is scent. It is frequently also sold as calming, and the two claims are worth separating, because they rest on different evidence and only one of them is about skin.

The evidence

The calming reputation comes largely from aromatherapy work on inhaled lavender and on mood or sleep. Whatever one makes of that, it is a claim about breathing the smell rather than about what the oil does to skin it is spread on, and a topical page cannot borrow it. There is no established benefit to skin that would put this oil in a formula on function alone.

What is documented is the other side. It is a fragrance material with a sensitisation record, and its two main constituents oxidise on air exposure into more sensitising species, which is why lavender oil and a separately declared linalool so often appear on the same list. None of that makes it dangerous. It makes it a scent with a cost, chosen because people like the smell. Undiluted essential oil applied straight to skin is a different and much less forgiving proposition than a trace in a cream, and nothing here treats a skin condition.

Suitability

Not an active; no skin type argues for its presence
A reason to avoid it with a known fragrance allergy, eczema or a broken barrier
Natural sourcing is a fact about origin, not a claim about tolerance
Common in products positioned as gentle, which is where the mismatch usually bites

Concentration

No figure. What a market permits in a leave-on product is set locally and gets revised, and the number that would tell you most is not a percentage anyway: how fresh the oil is, and whether the pack keeps air and light off it. A modest level in an opaque pump is a smaller exposure than a generous one in an open jar six months in.

Conflicts & combinations

Nothing conflicts with it chemically. The combination that matters is your own routine: a scented cleanser, mist and cream is one exposure repeated, and the reaction, when it comes, is usually blamed on the last product added. If skin is already stinging from an acid or a retinoid, a fragranced oil on top is the wrong next step, and an actual reaction is a question for a clinician rather than for a different cream.