How to Oil the Scalp Overnight for Scalp Psoriasis

To oil your scalp overnight for scalp psoriasis, part your hair into sections, massage a small amount of oil into the scaly patches (not the full length of your hair), cover your head with a cotton cap or shower cap, and wash it out gently the next morning. Oiling does not treat psoriasis. It softens thick scale so you can lift it more gently, and it may help soothe dryness and itching. Your prescribed scalp medicines may also work better once the scale is lifted.

This guide is part of our series on scalp psoriasis vs dandruff. If you are still unsure which one you have, start there.

Why oil the scalp at all in scalp psoriasis?

Scalp psoriasis is very common. A review in Psoriasis: Targets and Therapy notes that up to 80% of people with psoriasis have scalp involvement [1]. On the scalp, plaques often build up thick, silvery-white scale that sticks to the hair roots. It itches, flakes onto your shoulders, and makes it harder for medicated lotions to reach the skin.

Oils and greasy ointments soften this build-up so it can be lifted gently. Guy's and St Thomas' NHS hospital in London suggests massaging an oil such as olive or coconut oil, or an emulsifying ointment, into the scalp section by section, covering it, and leaving it for an hour or overnight before washing [2]. The UK Psoriasis Association also lists coconut and olive oil as common choices, and suggests applying at night and washing in the morning because oils make hair greasy [3].

What oiling can and cannot do

Dermatologists debate how much scale softening adds. A commentary in Dermatology Online Journal pointed out that thick scalp plaques improved with medicated lotions and foams alone in trials that used no scale softener, and that complicated routines can make people give up on treatment [4]. Other experts note that removing scale can help medicines penetrate [1]. A sensible middle path: oil when scale is thick and bothering you, keep it simple, and do not let it replace the treatment your doctor has advised.

Choosing an oil for overnight use

For psoriasis, a few points matter more than the brand:

• Plain coconut oil is the most common choice in India and is named in UK patient guidance [2][3]. In winter, warm the bottle in a bowl of warm water to melt it.
• Olive oil is another option mentioned by NHS guidance [2].
• Herbal oils such as vetpalai (Wrightia tinctoria) in coconut oil are traditionally used in Siddha medicine for skin conditions. Lab and mouse studies of Wrightia tinctoria extracts have shown anti-inflammatory activity in psoriasis-like models, but there are no good human trials yet [5]. An older Indian clinical report on vetpalai oil exists, but its full text is not easily available to check, so we cannot summarise its results.
• Avoid heavily perfumed, camphor or "cooling" hair oils on inflamed skin; they can sting.

Our own Coco Psora Oil is Wrightia tinctoria (vetpalai / sweet indrajao) in coconut oil, with nothing else added, if you prefer a traditional vetpalai preparation. For a wider comparison of options, see our guide to the best natural oils for scalp psoriasis relief.

Step-by-step: how to oil your scalp overnight

1. Prepare (5 minutes)

• Keep ready: slightly warm oil, a wide-tooth comb, a fine plastic comb, a dropper or cotton buds, a cotton cap or shower cap, and an old pillowcase.

2. Part and apply (10 minutes)

• Detangle with the wide-tooth comb. Make a parting about 1–2 cm wide.
• Using fingertips, a cotton bud or a dropper, put a few drops directly on the scaly skin along the parting. Make the next parting and repeat across the whole affected area.
• Aim the oil at the scalp, not the hair lengths. NHS guidance advises avoiding too much oil going into your hair [2].
• Lift hair up and away from the scalp as you apply, a tip the American Academy of Dermatology gives for scalp medicines [6].

3. Massage gently (2–3 minutes)

Use the pads of your fingers in small circles. No nails, no scratching. The AAD warns that rubbing, scrubbing and scratching the scalp can worsen psoriasis [6].

4. Cover and sleep

• Wear a cotton night cap or a shower cap. Covering helps the oil soak into the scale and protects your bedding [2][3].
• If sleeping in a cap is uncomfortable, a one-hour session in the evening is fine [2].

5. Wash out the next morning

• Work a gentle shampoo into dry, oily hair before adding water; it lifts oil better.
• Rinse, then shampoo a second time if hair still feels greasy. Use lukewarm water; very hot water dries the skin.
• While the scalp is still damp, use a fine plastic comb held flat against the scalp in small, gentle circles to lift scale that has already loosened [2].
• Leave anything that is still stuck. Pulling it off can cause bleeding, soreness and hair loss [2]. More on this in our post on the gentle approach to removing psoriasis scales.
• Dry on a cool or low setting, or let hair air-dry [2].

If you want a sulfate-free option for the wash, our Xpsoria Shampoo is made with neem- and indrajao-infused spring water, aloe vera, glycerin, mild coconut-derived cleansers and rosemary, cedarwood and tea tree essential oils.

How often should you oil?

There is no research-backed schedule for plain oils. A practical approach many people follow:

• During a flare with thick scale: 2–3 nights a week, until the scale has thinned.
• When the scalp is calmer: once a week, or only when you notice build-up returning.

Stop if your scalp becomes more itchy, sore or red, or develops small pus bumps. In humid summer and monsoon months, a one-hour session before your bath may suit you better than a full night.

Fitting oiling around prescribed scalp treatment

Dermatologists often prescribe steroid lotions, salicylic acid, coal tar shampoos or calcipotriol for the scalp. Some are applied at bedtime themselves [3][6], and salicylic acid already softens scale [1][6], so do not stack an extra oil on top without asking your doctor. A common pattern is to oil one night, wash in the morning, and apply the prescribed lotion to the clean, de-scaled scalp, but your dermatologist should decide the order. Never stop or reduce a prescribed treatment on your own because you have started oiling.

Safety notes before you start

• Patch test: Put a little of any new herbal or essential-oil blend behind your ear or on your inner forearm for 48 hours. Skip it if you get redness, itching or burning.
• Essential oils: Tea tree, rosemary and similar oils can cause allergic reactions in some people. Never apply them undiluted to the scalp.
• Babchi (bakuchi): Some Ayurvedic oils contain babchi, which makes skin more sensitive to sunlight. If your scalp oil contains it, wash it out fully before going into the sun, and protect parted or thinning areas with a cap or dupatta.
• Pregnancy and breastfeeding: Check with your doctor before using herbal or essential-oil blends.
• Children: Use plain oil in small amounts, ask your child's doctor before any herbal oil, and avoid overnight caps on young children.
• Open or raw skin: Do not oil areas that are bleeding, weeping or crusted. Show these to a doctor.

When to see a doctor

See a dermatologist (at a government hospital skin OPD or a private clinic) if you notice:

• Patches spreading past the hairline, behind the ears, or onto the body.
• Yellow crusts, pus, oozing, a bad smell or swollen, tender glands in the neck, which may mean infection.
• Noticeable hair fall or bald patches. Read our post on whether scalp psoriasis can cause hair loss.
• Itching that keeps you or your child awake most nights.
• No clear improvement after about 4 weeks on a prescribed scalp treatment. UK patient guidance for at least one common scalp gel suggests going back to your doctor at that point [3].
• Joint pain, morning stiffness or swollen fingers or toes, which may point to psoriatic arthritis.
• Widespread redness over most of the body, fever or chills. This needs urgent care.

Frequently asked questions

Is it safe to leave oil on the scalp overnight with psoriasis?

For most adults, yes. NHS hospital guidance says oil can be left for an hour or overnight before washing [2]. Patch test any new blend first, and stop if your scalp becomes more irritated.

Which is better for scalp psoriasis overnight, coconut oil or mustard oil?

Coconut oil is gentler and is the one named in dermatology patient guidance [2][3]. We found no good evidence for mustard oil in scalp psoriasis, and its pungent compounds can sting inflamed or cracked skin, so it is best avoided on active plaques.

Should I oil before or after applying my prescribed scalp lotion?

Usually not at the same time. Many people oil the night before, wash in the morning, and then apply the prescribed product to the clean scalp. Ask your dermatologist for the order that suits your medicine.

Does oiling stop the flakes from coming back?

No. Oiling helps lift scale that has already formed and may help with dryness and itching. Psoriasis is a long-term condition, so scale tends to build up again. Ongoing care with your doctor is what controls the underlying inflammation.

Sources

1. Blakely K, Gooderham M. Management of scalp psoriasis: current perspectives. Psoriasis: Targets and Therapy. 2016;6:33–40.
2. Guy's and St Thomas' NHS Foundation Trust. Treating scalp psoriasis.
3. Psoriasis Association (UK). Scalp psoriasis (treatments information sheet, PDF).
4. McClain R, Yentzer BA, Feldman SR. Keratolytics for psoriasis: are they necessary? Dermatology Online Journal. 2009;15(1):11.
5. Ojha M, Manocha N, Kumar V, Karthikeyan G, Toor D. Phytotherapeutic analysis of chloroform-based fractions of Alstonia scholaris and Wrightia tinctoria extracts reveals potent anti-psoriatic activity: an in vitro and in vivo study. Pharmaceuticals. 2025;18(3):304.
6. American Academy of Dermatology. Scalp psoriasis: shampoos and treatments (patient information).

This article is for general information and is not medical advice. Please consult a qualified dermatologist or Ayurvedic doctor for diagnosis and treatment.