If you have fine hair, you have probably tried a hair oil once, spent two days with flat greasy roots, and never tried again. That is a reasonable response to a bad experience. The problem is almost always which oil you chose and where you put it.
Why fine hair goes flat
Fine hair has a smaller shaft diameter. Each strand weighs less and has less structural stiffness, so a little added weight can make it lie flat against the scalp instead of standing away from it.
Fine describes the width of each strand. Thin describes how many you have. You can have a lot of fine hair, and it will still go flat if you weigh it down.
Not all oils weigh the same
Light, and generally suitable for fine hair: jojoba (technically a wax ester, close in structure to the scalp's own sebum), squalane, grapeseed, and lightweight silicone-based serums, which coat very thinly.
Medium: argan, almond and marula. Fine on the ends, too much at the roots.
Heavy, best used as pre-wash treatments: castor, coconut, olive and shea-based blends. These are excellent oils. They are simply not leave-ins for fine hair.
A blended formula is often a better choice than a single heavy oil, because it can carry the useful ingredients in a base light enough to disappear.
Technique matters more than product
- Use less than you think. One or two drops for shoulder-length fine hair. You can always add more.
- Warm it between your palms first. Rubbing the oil into a thin film across both hands spreads it evenly.
- Mid-lengths and ends only. Press your palms onto the lower half of your hair and smooth downward.
- Keep it off the roots, unless the product is a scalp serum formulated to be light enough to leave on the skin.
- Apply to damp hair for less weight. Oil spreads further and absorbs better on damp hair than on dry.
The scalp exception
Fine hair often benefits from scalp treatment even though it can't take oil at the roots. The answer is formulation. A lightweight, fast-absorbing scalp serum applied to the skin, not the hair, and massaged in properly behaves very differently from a heavy oil pulled through the roots. Apply it in sections at night, massage until it has absorbed, and it should be gone by morning. If it isn't, it's too heavy or you used too much.
Getting volume back
- Clarify occasionally. Fine hair shows build-up faster than any other type. A clarifying wash every few weeks resets it.
- Condition the ends, not the roots.
- Rough-dry the roots upside down before styling. Much of the lift comes in the first couple of minutes of drying.
- Don't over-brush. Repeated brushing flattens the top layer and spreads scalp oil down the shaft.
What to look for on the label
Check the first two or three ingredients, which make up most of the bottle. If castor or coconut oil is first, it is not a fine-hair leave-in, whatever the front of the label says. Words like "lightweight", "fast-absorbing" and "non-greasy" only mean something if the ingredient list backs them up.
You can browse our serums and oils and check their ingredient lists before you buy.