Oily scalp care begins with accepting a simple fact: you probably need to wash your hair more often than other people, and that is fine. Oil, or sebum, is made by glands at the base of each hair. Some scalps make a lot of it. The goal is to remove the excess regularly without irritating the skin.
Why some scalps are oilier
- Genes and hormones set how active the oil glands are. They are busiest in the teens and twenties.
- Hair type changes how oil shows. Fine, straight hair looks greasy sooner than thick or curly hair.
- Climate. Heat and humidity increase oil and sweat.
- Products. Heavy conditioners, oils and styling creams near the roots add to the greasy look.
An oily scalp is normal. It is not a sign of poor hygiene.
The washing routine
- Wash as often as your scalp needs. For many people with an oily scalp, that is daily or every other day. See How Often Should You Wash Your Hair?.
- Wet your hair fully with lukewarm water.
- Apply shampoo to the scalp, not the lengths. Use the pads of your fingers to massage for about a minute.
- Rinse thoroughly. If your hair is very oily, lather a second time.
- Condition the lengths and ends only. Keep conditioner at least a few centimeters from the scalp.
- Rinse again until the hair feels clean.
Do not scrub hard or use very hot water. Irritating the scalp does not reduce oil.
Choosing a shampoo
| Shampoo type | When to use it |
|---|---|
| Gentle daily shampoo | For frequent washing |
| "Balancing" or "for oily hair" | Stronger cleansing; use if a gentle one is not enough |
| Clarifying shampoo | Every one to two weeks to remove build-up |
| Shampoo with salicylic acid | When oil comes with flaking or build-up |
| Anti-dandruff shampoo | When oily flakes or itching are present |
Clarifying Shampoo vs Regular Shampoo: When Each Fits explains how clarifying shampoo differs from regular shampoo.
Between washes
- Dry shampoo absorbs oil at the roots for a day. Apply it to dry hair, wait a minute and brush or massage it through. Do not let it replace washing. See Dry Shampoo Buying Guide: Formulas and Application.
- Keep your hands out of your hair.
- Clean your brushes and combs weekly with warm, soapy water.
- Change pillowcases regularly.
- Tie hair up loosely for exercise and wash or rinse afterwards.
Styling with an oily scalp
- Apply serums and oils only to the ends.
- Choose light mousses and sprays over waxes and creams.
- Blow-dry the roots. Hair that dries flat against the scalp looks oily sooner.
Myths worth dropping
- "Washing less trains your scalp to make less oil." There is no good evidence for this. Oil production is driven by hormones and genes.
- "Oily hair does not need conditioner." The ends are older and drier than the roots and still need it.
- "Harsh shampoos work better." Stripping the scalp causes irritation and tightness without changing how much oil it makes.
When oil comes with other problems
- Yellowish, greasy flakes and itching suggest dandruff or seborrhoeic dermatitis. See Dandruff vs Dry Scalp: How to Tell the Difference.
- A waxy film and dull roots suggest product build-up. See Scalp Buildup: Causes and Cleansing Tips.
- Pimples on the scalp or hairline can come from heavy hair products.
When to see a doctor
Get advice if your scalp suddenly becomes much oilier, if you have red, scaly or painful patches, if you are losing hair, or if oiliness comes with acne and irregular periods. A sudden change can be related to hormones or to medicines and is worth checking.
Related on ArniSun
- How Often Should You Wash Your Hair?
- Dandruff vs Dry Scalp: How to Tell the Difference
- Scalp Buildup: Causes and Cleansing Tips
- Clarifying Shampoo vs Regular Shampoo: When Each Fits
- Dry Shampoo Buying Guide: Formulas and Application
Sources and further reading
Frequently asked questions
Is it bad to wash an oily scalp every day?
No. Daily washing with a gentle shampoo is suitable for an oily scalp and is recommended by dermatologists for people who need it.
Why is my scalp oily but my ends dry?
Oil is made at the scalp and takes time to travel down. The ends are older and more worn. Shampoo the scalp and condition the ends.
Can diet make my scalp oily?
There is little solid evidence that particular foods change scalp oil. Hormones, genes and hair type matter far more.