Oily Skin Skincare Guide: Causes, Ingredients and a Simple Routine

A good skincare routine for oily skin should control excess shine without trying to remove every trace of natural oil. Use a gentle cleanser, one targeted ingredient if needed, a lightweight moisturiser and broad-spectrum sunscreen.

Salicylic acid may help with blocked pores, while niacinamide may reduce the appearance of oiliness. If you also have acne, benzoyl peroxide or a topical retinoid may be appropriate, but these treatments can irritate the skin and are not suitable for everyone.

Avoid washing your face repeatedly or using harsh, alcohol-heavy products. Oily skin can still become dehydrated, sensitive and damaged by over-cleansing.

This article provides general skincare guidance. Speak to a pharmacist, GP or dermatologist if you have painful, persistent or scarring acne, a sudden change in oil production or a rash that does not improve.

What is oily skin?

Oily skin produces enough sebum to create noticeable shine, usually across the forehead, nose and chin. Some people experience oiliness across the whole face.

Sebum is the natural oily substance produced by sebaceous glands. It lubricates the skin and hair and helps protect the skin from becoming excessively dry.

Oily skin may be associated with:

A shiny appearance
Makeup slipping or separating
Enlarged-looking pores
Blackheads
Whiteheads
Congestion
Acne
A greasy feeling during the day

Having oily skin does not mean that your face is dirty or that you are caring for it incorrectly.

What causes oily skin?

Genetics

Skin type often runs in families. Genetics can influence sebaceous gland activity and how visible pores appear. You cannot permanently change your genetic skin type, but suitable skincare can help manage shine and congestion.

Hormonal changes

Hormones can influence sebum production. Oiliness may increase during puberty, menstrual cycles, pregnancy, perimenopause and other periods of hormonal change.

Sudden changes alongside irregular periods, increased facial or body hair, hair thinning or other symptoms may need assessment by a GP.

Warm weather and stress

Heat and humidity can make skin appear oilier. Sweat may mix with sebum, sunscreen and makeup, creating a heavier surface feeling.

Stress may affect hormones and inflammation, and may lead to more touching, picking or changing products in search of a quick result.

Unsuitable products and over-cleansing

Very rich creams, heavy oils or several layered products may make the face feel greasier. Washing repeatedly or using harsh cleansers can leave skin tight, irritated and dehydrated without reliably stopping oil production.

Some medicines or hormonal conditions may also affect the skin. Do not stop prescribed medicine because your skin has become oily; ask a pharmacist or GP whether the change could be related.

Is oily skin the same as acne-prone skin?

No. Oily skin may increase the likelihood of blocked pores, but not everyone with oily skin develops acne. Acne can also affect people with dry, sensitive or combination skin.

A routine designed to reduce shine may not be enough to treat moderate or severe acne, which may include blackheads, whiteheads, inflamed bumps, pustules, painful nodules or cysts.

Is oily skin dehydrated?

It can be. Oily skin describes sebum production, while dehydrated skin lacks water. Oily but dehydrated skin may feel tight after cleansing, look shiny, develop fine surface lines, sting when products are applied, feel rough beneath the oil or become flaky.

Use gentle cleansing and a lightweight moisturiser rather than trying to dry the skin further.

A simple skincare routine for oily skin

A basic routine can include:

Gentle cleanser
One optional treatment
Lightweight moisturiser
Broad-spectrum sunscreen in the morning

You do not need several toners, acids and masks. Introduce one new active ingredient at a time.

Morning skincare routine for oily skin

Step 1. Cleanse gently

Use a mild gel or foaming cleanser and lukewarm water. Wash with your fingertips rather than a rough cloth, sponge or cleansing brush.

A suitable cleanser should remove overnight oil without making your face feel painful or very tight.

Step 2. Apply an optional treatment

Depending on your concerns, you might use niacinamide, salicylic acid, azelaic acid, benzoyl peroxide or a treatment prescribed for acne.

Do not use all of them together. Follow the directions for the specific product.

Step 3. Apply moisturiser

Choose a lightweight product described as oil-free, water-based, gel, gel cream, non-comedogenic or suitable for oily skin.

Apply a thin, even layer. You may need more around the cheeks and less around the nose or forehead.

Step 4. Apply sunscreen

Choose broad-spectrum sunscreen with at least SPF 30 and strong UVA protection. Oily skin may prefer lightweight fluids, gel sunscreens, oil-free formulas, non-comedogenic products or matte finishes.

Apply enough to achieve the protection stated on the packaging. Using too little to avoid shine may leave skin inadequately protected.

Evening skincare routine for oily skin

Step 1. Remove makeup and sunscreen

Use micellar water, cleansing balm or cleansing oil if your ordinary cleanser does not remove everything. A cleansing oil can suit oily skin if it emulsifies and rinses away properly.

Step 2. Cleanse

Follow with your regular gentle cleanser if needed. Double cleansing is optional; one thorough cleanse may be enough after a light makeup day.

Step 3. Apply one treatment

Choose the treatment most relevant to your concern:

Salicylic acid for blocked pores
Benzoyl peroxide for mild acne
Azelaic acid for acne and post-blemish marks
Adapalene or another prescribed retinoid
Niacinamide for visible oiliness and barrier support

Follow professional advice or product instructions.

Step 4. Moisturise

Apply a lightweight moisturiser even if your face feels oily. Active acne products can cause dryness, and moisturiser may make them easier to tolerate.

The best cleanser, moisturiser and sunscreen for oily skin

A gentle gel or foaming cleanser may be useful. Look for gentle foaming, oil-free, non-comedogenic, soap-free or fragrance-free descriptions.

If skin feels tight after washing, try using less product, washing for less time, choosing a lower-foaming formula, reducing water temperature, cleansing no more than twice daily and applying moisturiser afterwards.

For moisturiser, look for gel cream, water-based lotion, oil-free, non-comedogenic, lightweight texture and humectants such as glycerin or hyaluronic acid. A product may also contain niacinamide, ceramides or panthenol.

For sunscreen, choose a lightweight fluid, gel, oil-free lotion, non-comedogenic, matte or dry-touch formula. Allow it to settle before makeup. A little shine does not mean sunscreen has failed; powder can be applied after it sets.

Do not mix sunscreen with moisturiser or foundation because this may create uneven protection.

Ingredients that may help oily skin

Salicylic acid

Salicylic acid is a beta hydroxy acid that can move through oil and help clear material from blocked pores. It may help blackheads, whiteheads, congestion, mild acne, rough texture and visible oiliness.

It appears in cleansers, toners, serums and spot treatments. Begin with one product once or twice a week if you are new to it.

Niacinamide

Niacinamide is a form of vitamin B3. It may support the skin barrier and reduce the appearance of excess oil and enlarged-looking pores.

A concentration around 2% to 5% may be enough for many people. Ten per cent or stronger formulas are not automatically more effective and may irritate sensitive skin.

Benzoyl peroxide

Benzoyl peroxide is an acne medicine that reduces acne-associated bacteria and helps prevent blocked pores. It may be useful for mild to moderate acne rather than oiliness alone.

Possible side effects include dryness, peeling, redness, stinging and burning. It can bleach hair, towels, bedding and clothing. Ask a pharmacist whether it is suitable for you.

Azelaic acid

Azelaic acid may help mild acne, inflamed spots, clogged pores, post-blemish marks, redness and uneven-looking tone. Possible side effects include tingling, itching, dryness and mild burning.

Topical retinoids

Topical retinoids such as adapalene can help prevent blocked follicles and treat some forms of acne. They may cause dryness, peeling, redness, burning and increased sensitivity.

Use them according to professional advice. Topical retinoids and cosmetic retinol must not be used during pregnancy or while planning a pregnancy. Do not combine several retinoid products.

Hyaluronic acid and clay

Hyaluronic acid is a humectant rather than an exfoliant. It can suit oily but dehydrated skin when followed by a lightweight moisturiser.

Clay masks can temporarily absorb surface oil but do not permanently change sebum production. Use them occasionally rather than every day, and moisturise if your skin feels tight.

Ingredients oily skin should use carefully

Alcohol-heavy products may temporarily remove shine but can leave skin tight and sensitive. Not every type of alcohol is harmful, but stop using a product that stings or feels very drying.

Facial oils can soften skin but may feel too rich for some oily or acne-prone complexions. Natural does not guarantee suitability.

High-strength glycolic acid and home peels may irritate oily skin just as easily as dry skin. Oiliness does not make skin resistant to chemical burns.

Rough particles, brushes and abrasive cloths can irritate inflamed or acne-prone skin. Scrubbing does not clean inside pores more effectively.

Does oily skin need toner or an exfoliant?

Toner is optional. A hydrating or treatment toner may be enjoyable, but is not necessary for cleansing or balancing the skin. Avoid toners that sting or leave the face very tight.

Salicylic acid may help blocked pores or blackheads, but visible shine alone does not mean skin needs daily exfoliation. Start once a week and increase only if skin remains comfortable.

Signs of over-exfoliation include burning, redness, tightness, flaking, sudden sensitivity, moisturiser stinging, shiny but dehydrated-looking skin and worsening pigmentation.

Can oily skin use facial oils, cleansing oils, retinol or vitamin C?

Yes, but each is optional. Apply one or two drops of facial oil over moisturiser or only to dry areas, and stop if persistent congestion or irritation develops.

Cleansing oils dissolve makeup, sunscreen and oil-based products. A suitable formula should emulsify and rinse away.

Retinol may help fine lines, texture and mild congestion. Start with a low-strength product, a small amount, one or two evenings a week, lightweight moisturiser and daytime sunscreen. Do not use it during pregnancy.

Vitamin C may help dullness and post-blemish marks. Choose a lightweight water-based serum if desired, and apply it before moisturiser and sunscreen.

How to control oily skin during the day

You do not need to wash your face every time it becomes shiny. Try blotting paper, a clean tissue pressed gently against the skin, a light layer of pressed powder, mattifying primer on oily areas, lightweight sunscreen and avoiding repeated touching.

Blot before adding powder. Applying powder over a thick layer of oil may create a patchy finish.

Makeup for oily skin

Prepare with lightweight moisturiser and sunscreen, allowing both to settle before primer or foundation. Apply mattifying primer only to areas that become shiny.

Look for oil-free, natural matte, soft matte, long-wearing, non-comedogenic or lightweight foundation. Apply thin layers and set selected areas rather than powdering the entire face.

Does drinking water, cold water or ice reduce oily skin?

Drinking enough fluid supports general health, but extra water does not switch off sebaceous glands. Oily skin is influenced by genetics, hormones and skin biology.

Cool water may feel refreshing but does not permanently change pore size or oil production. Do not place ice directly against skin for a long time, as this can cause injury.

Does oily skin age more slowly or benefit from sun exposure?

Oily skin may show dryness-related fine lines less readily because natural oil lubricates the surface, but it still ages and can develop wrinkles, pigmentation, loss of firmness, sun damage and skin cancer.

Sun exposure may temporarily make spots feel drier but is not a safe treatment. Use sunscreen rather than deliberate tanning.

Why is skin oily after cleansing or oily but flaky?

Possible reasons include a rich product, a dewy sunscreen, a cleansing balm that was not fully rinsed, naturally rapid oil production, warm weather or a cleanser that was too harsh.

Oiliness and flaking can occur together through dehydration, over-cleansing, excessive acid use, retinoid irritation, benzoyl peroxide, seborrhoeic dermatitis, eczema or a product reaction.

Pause irritating actives and use a gentle cleanser and moisturiser. Seek advice if flaking is persistent, itchy, inflamed or concentrated around the nose, brows or scalp.

Why has skin suddenly become oily?

A sudden change may relate to hormonal changes, menstrual cycle, pregnancy, stress, hot weather, new medication, a different skincare product, menopause or a hormonal condition.

Speak to a GP if sudden oiliness is persistent or accompanied by irregular periods, increased hair growth, hair loss or other unexplained symptoms.

Oily skin during pregnancy

Keep the routine simple: gentle cleanser, pregnancy-suitable treatment if needed, lightweight moisturiser and broad-spectrum sunscreen.

Do not use cosmetic retinol, adapalene, tretinoin or other topical retinoids during pregnancy or while planning a pregnancy. Ask a pharmacist, midwife or GP before using acne medicines or strong actives.

Common oily skin mistakes

Avoid:

Washing too often
Skipping moisturiser
Using alcohol to dry the skin
Scrubbing pores
Using several acne treatments together
Choosing every product in a matte formula
Picking spots
Applying too much powder
Avoiding sunscreen because it feels greasy
Expecting immediate results

Balance oil control with hydration. Choose one main treatment and assess a suitable routine over several weeks unless irritation develops.

A simple weekly routine for oily skin

Every morning

Gentle cleanser
Niacinamide or another suitable treatment
Lightweight moisturiser
Broad-spectrum sunscreen

Most evenings

Makeup remover, if needed
Gentle cleanser
Moisturiser

Treatment and recovery evenings

Use one product, such as salicylic acid, azelaic acid or a suitable retinoid, on one or two evenings. Use only cleanser and moisturiser on recovery evenings.

When to get professional help

Speak to a pharmacist about mild acne, blackheads or whiteheads and choosing an appropriate treatment.

Make an appointment with a GP if acne is moderate or severe, you have painful nodules or cysts, spots are causing scars, pharmacy treatment has not helped, acne affects your mood or confidence, oiliness began suddenly with hormonal symptoms, skin is persistently burning or inflamed, you have a recurring rash or breakouts are widespread across the chest or back.

Seek advice if you are pregnant, planning pregnancy or breastfeeding and need treatment guidance.

Seek urgent medical help if a skincare reaction causes difficulty breathing or swelling of your lips, mouth, tongue or throat.