This is the original Moroccanoil, an argan oil hair treatment you smooth through damp or dry hair to cut frizz, add shine, and speed up your blow-dry. It works on all hair types, but it earns its keep on hair that runs normal to dry.

Who this is for

Hair that looks a little dull, tangles easily, or takes forever to dry. The argan oil base coats the hair shaft, so it helps with detangling and shine at the same time, and it shortens drying time because you are not fighting as much friction with the blow dryer.

It also works as a once-a-week deep treatment left on for five to ten minutes before you shampoo, so it covers two jobs: a daily styling drop and a weekly conditioning step.

Who should skip it

If your scalp gets oily fast, keep this off it entirely. It is meant for the hair itself, not the scalp, and applying it too close to the roots on an already oily scalp will just make you feel greasy sooner.

Fine or flat hair should use less than the bottle suggests, and only on the ends. A little goes a long way here, and heavy-handed application on fine hair reads as weighed down instead of shiny.

If your hair is severely damaged, this is a finishing and detangling step, not a repair plan on its own. Pair it with whatever conditioning treatment your stylist already has you on rather than expecting the oil alone to fix compromised hair.

How a stylist uses it

Start small, a few drops rubbed between clean, dry palms before applying, and add more only if the hair asks for it. On damp hair, work it through mid-shaft to ends after towel-drying and before blow-drying, avoiding the scalp, then detangle and style as usual.

For the deep treatment version, apply the same way, leave it on for five to ten minutes, and rinse before your regular wash. That is the moment to let it actually penetrate rather than just sit on the surface.

How it compares

Against a drugstore argan or "hair oil" serum: the ingredient story is similar, oil plus shine. The real difference is concentration and how little you need to use, which matters if you are applying it daily rather than occasionally.

Against a rinse-out mask or conditioner: those are for the shower and for deeper, scheduled conditioning. This oil is a leave-in finishing step you can use every time you style, on top of whatever your regular wash-day routine already is. They are not competing for the same job.

What to expect

Smoother, shinier hair and easier detangling from the first use, plus a noticeably faster blow-dry once you get the amount right for your hair. Used weekly as a treatment, it adds up over time.

The tradeoff: it is an oil, so more is not better. Overapply it, or apply it too close to the roots, and it will look greasy rather than shiny, especially on fine hair. That is a dosing issue, not a flaw in the product.

Size and value note

This one is sold across a range of sizes, from about $22 up to $72 depending on which size you buy. Because you use so little per application, even the smaller size lasts a while for one person doing a few drops at a time. The larger size makes more sense if you are using it daily or sharing it across more than one head of hair.