How to exfoliate your scalp—and when to skip it

A scalp scrub has to reach the skin under your hair. If your hair is thick, parting it into sections helps the scrub get there without extra product or pressure.

To exfoliate your scalp (remove dead skin cells from its surface), choose a product made for the scalp and follow its directions for how to apply it, how to rinse it and how often to use it. Use light pressure with a physical scrub. Skip exfoliation on sore, irritated or broken skin. If shampoo already leaves your scalp comfortable, you may not need an extra exfoliating step.

You don't need to keep scrubbing until your scalp feels squeaky.

What is scalp exfoliation?

Exfoliation removes dead cells from the surface of your skin. Physical exfoliation does this by rubbing, with a scrub or a tool such as a brush. Chemical exfoliation uses ingredients that help loosen those cells, such as acids called alpha hydroxy acids or beta hydroxy acids. Both work on the skin's surface, but they come with different directions.

Some products use both methods. A chemical exfoliant isn't automatically harsher than a scrub, and a “natural” scrub won't automatically suit your skin. Pick a product your scalp tolerates.

Follow directions written for the scalp. Don't copy the routine you use to exfoliate your face.

Do you need to exfoliate your scalp?

No. Shampoo already helps wash away built-up products, loose skin and excess oil. If your scalp feels comfortable afterward, you may have all the cleansing you need.

If your roots (the hair closest to your scalp) feel coated, first check how you apply and rinse your shampoo. Shampoo that actually reaches the skin may help more than a scrub that mostly sits in your hair. Our scalp-buildup guide starts with those checks.

If itching or flakes keep coming back, get the cause checked before you add an exfoliant (a product that removes dead skin cells). Irritation, a reaction to a product and skin conditions on the scalp can all cause itch.

How do you use a physical scalp scrub?

Start with your product's instructions. Some scrubs go on before shampoo. Others replace shampoo. Don't borrow the timing or order of steps from a different product.

For a scrub directed for use on wet roots:

1. Wet your scalp, not just your hair. Part your hair in a few places so water reaches the skin.
2. Put the product on your roots. If your hair is thick, work in sections instead of piling more scrub onto the top layer.
3. Massage with your finger pads. Use light pressure. Do not scratch, scrape or try to grind away a stubborn patch.
4. Rinse as directed. Move your hair aside so the water reaches every spot where you applied the scrub.
5. Finish the routine the product calls for. That might mean shampoo next, or going straight to conditioner.

Massage for as long as your product's label says, and keep your touch gentle. No single timing rule fits every scalp scrub.

How to use RŌZ Salt Scalp Scrub

Salt Scalp Scrub is a clarifying shampoo and scrub, so it replaces shampoo for that wash. Massage a generous scoop onto wet roots to form a lather, add a splash of water as directed, then rinse thoroughly. Follow with conditioner or a mask.

You don't need to add a separate scalp acid or brush to those steps.

Sophie McConnell, People & HR Manager at RŌZ, has 2C waves (defined, S-shaped waves). Here's how she uses Salt:

How often should you exfoliate your scalp?

Follow your product's directions for how often to use it, and pay attention to how your skin reacts. A weekly schedule that suits one scrub may not suit another product, or your scalp.

Flakes that stick around aren't a reason to use the product more often than directed. If your scalp feels uncomfortable, think again about whether to exfoliate at all.

With any exfoliant, stay within its directions. If you notice burning, tenderness or irritation, stop using it. Don't try to “get used to” the feeling. If a doctor or other clinician prescribed a scalp treatment for you, ask them before you add an exfoliant.

When should you skip scalp exfoliation?

Skip a scrub if your skin is broken, sunburned or irritated right now. The American Academy of Dermatology (AAD) advises against exfoliating open wounds or sunburned skin. It also warns that exfoliating too hard can irritate skin.

Take extra care if you have a known scalp condition, such as scalp psoriasis (a long-term skin condition that causes thick, scaly patches). Scrubbing can make existing scalp psoriasis worse, so don't try to force off scale you can see.

If your scalp keeps itching, hurts or has a rash, or you notice unusual hair shedding, see a dermatologist (a doctor who specializes in skin, hair and nails) before trying another scrub. Read why your scalp may be itchy for what to check and when to get help.

Is a scalp scrub the same as clarifying shampoo?

No. A scalp scrub is for exfoliating the skin's surface; a clarifying shampoo is for washing away oil and product residue. Some formulas combine those jobs. Salt is labeled as both a clarifying shampoo and a scalp scrub.

For product residue (styling product or shampoo left behind on your hair and scalp), you may prefer a cleanser without scrub particles. If you use an exfoliating shampoo, you don't automatically need another clarifying shampoo afterward.

Thick hair changes how you apply a scrub, not how hard you should rub. Part thick hair so the product reaches your scalp. After washing, let conditioner help detangle the rest of your hair instead of working scrub through it as if it were skin.

RŌZ publishes this article and makes Salt Scalp Scrub.

Sources and reporting

1. Sophie McConnell, People & HR Manager at RŌZ, shared her own wash-day routine in written answers for RŌZ, October 2026.
2. Clarifying Shampoo & Scalp Scrub – Salt | RŌZ.
3. American Academy of Dermatology: 10 reasons your scalp itches and how to get relief.
4. American Academy of Dermatology: Scalp psoriasis: Shampoos, scale softeners, and other treatments.
5. American Academy of Dermatology: Tips for healthy hair.
6. American Academy of Dermatology: How to safely exfoliate at home.
7. DermNet: Shampoos.