Soap or Face Wash for Oily Skin: Which One Should Men Use?

One bar of soap does hair, body and face in most Indian bathrooms. For an oily face, that bar is the problem. Here is why a face wash wins, and how to use it.

By Abhishek Jain 16 Oct 202613 min read

Illustration of a young Indian man in a bright bathroom looking doubtfully at a plain bar of soap on his open palm

For oily skin, use a face wash, not bar soap. Bar soap is alkaline, the opposite of your skin's mildly acidic surface, and it strips the oils that keep your skin barrier working. A gentle face wash made for oily skin, used twice a day, removes the extra oil without that damage.

It is 7.10 am in a PG in Pune. One bar of soap sits on the bathroom ledge. It does hair, body, face and, on a bad day, the bathroom tiles.

You wash your face with it. For ten minutes the skin feels tight and squeaky clean. By the time you reach the office, the forehead is shining again. So you wash again at lunch. And again before leaving.

By evening you have washed four times. Your skin feels sore, and it is still oily. Something in this plan is not working.

The short answer

Use a face wash on your face. Keep the bar for your body. Bar soap is alkaline and strips skin oils too hard. That leaves oily skin tight, then shiny again within hours. A gentle face wash made for oily skin, used twice a day, cleans off the extra oil without the damage. Washing more often than that does not help.

Why Does Men's Skin Get So Oily?

Your skin makes an oil called sebum. It comes from small glands under the surface. A 2017 review of oily skin says those glands cluster on the face, chest and upper back. Male hormones, mainly testosterone and its stronger form DHT, set how much sebum the glands make. That is why men make more sebum than women.

Heat adds to it. The same review notes that sebum output rises in summer and in humid climates. A study of 100 Korean men aged 20 to 59 measured the same men in summer and winter. "The sebum content was higher in summer than in winter", and the men had more visible pores in summer too. If you live in Mumbai or Chennai, you know how long that summer lasts.

Now the part that matters for soap. Your skin's top layer works like a brick wall. The skin cells are the bricks. Natural oils and fats are the mortar between them. That wall holds water in and keeps dust and germs out. A 2022 review in the journal Molecules says the skin surface is mildly acidic. Its pH sits "between 4.0 and 6.0". The pH scale measures acid and alkali. Water is 7, in the middle. Put an alkaline product on skin, the review says, and it leads "more often than not to multiple negative effects".

That mild acid, and the oil that comes with it, is what oil control should respect. You want less shine, not a damaged wall.

Clean unlabelled illustration of a skin cross-section showing a pore, a hair and the oil gland beside it, with a thin oil film on the surface — The bricks are skin cells and the mortar is the skin's own fat. Soap takes the mortar out with the dirt. (AI-generated image)

Soap vs Face Wash: What Is the Difference?

Bar soap is made from fats and an alkali. A 2011 review in the Indian Journal of Dermatology puts its pH "between 9 and 10". That is the wrong end of the scale for skin. The review says soap often causes dryness and irritation. Alkaline soap, it adds, damages the fat layer in the skin's top layer. The Molecules review adds that harsh soaps pull proteins and fats out of the skin as you wash. Some of the soap stays on the skin after rinsing.

So the mortar is gone. The wall leaks water, and the skin feels tight. The oil glands keep working as before, so by noon the shine is back, on top of tight skin. That is the worst of both.

A face wash is a different product. Most are syndets, short for synthetic detergents. The Indian review says syndets "have a neutral or slightly acidic pH", irritate less and "do not form a soap scum layer". That last point matters here. If the bucket in your bathroom has a white crust, your water is hard. A 2018 study of 80 people in the UK found that hard water left more detergent residue on the skin. Those deposits "increased transepidermal water loss and caused irritation". A water softener company paid for that study, so read it with that in mind. You cannot soften a tanker. You can pick a face wash that rinses clean.

	Bar soap	Face wash for oily skin
pH	9 to 10, alkaline	Neutral to mildly acidic, close to skin
What it takes off	Dirt, oil, and the skin's own fats and proteins	Dirt and excess oil
After washing	Tight, squeaky, then shiny again	Clean without the tight feel
In hard water	Leaves a scum layer	No scum layer

None of this makes soap a villain. Mintel's 2023 survey found that bar soap is the main cleansing format for "90% of Indian consumers". The bar is good at bodies. Faces were never its job.

What Should a Face Wash for Oily Skin Have in It?

Start with the American Academy of Dermatology's advice. "DO use a gentle, foaming face wash." "DON'T use oil-based or alcohol-based cleansers." And pick products labelled "oil free" and "noncomedogenic", which means made so it will not clog pores.

Then look at the actives. THERŌ's Active Oil Control face wash has three. Niacinamide, a form of vitamin B3. Salicylic acid. Glycolic acid. Salicylic acid deep-cleans pores and helps fight breakouts, washing away the buildup that clogs them. Glycolic acid gently exfoliates dead skin and buildup. Niacinamide helps control excess oil, so skin stays fresh and clean-looking after every wash. In the brand's consumer results, 98% of users said they felt clean, not dry or stripped.

One honest note on niacinamide. The strongest evidence for it is in products you leave on. A 2006 study of 100 Japanese adults used a 2% niacinamide moisturizer for 4 weeks. The niacinamide group had a lower sebum excretion rate at 2 weeks and at 4 weeks than the placebo group. That is why the serum step does more for oil over time than any wash. The niacinamide face wash explainer goes deeper on this.

If your bigger worry is tan and dullness rather than shine, the Vitamin C face wash cleans the same way and brightens skin. Both are 3X Action Face Wash formulas.

THERŌ Active Oil Control Niacinamide Face Wash tube on a plain background — A face wash built for oily skin pairs niacinamide with salicylic acid and glycolic acid, and rinses off without the tight feel. (Image: THERŌ)

How Often Should Men with Oily Skin Wash Their Face?

Twice a day, and once more after a heavy sweat. The AAD's face washing guide says it in one line: "Limit washing to twice a day and after sweating."

There is one trial on this. A 2006 study in Pediatric Dermatology took men with mild to moderate acne. They washed with a mild face wash once, twice or four times a day for 6 weeks. There was no big difference between the groups overall. The twice-a-day group improved in blackheads and small bumps. The once-a-day group got worse, with more redness and inflamed spots. Four times a day did no better than twice. The authors found "slight support" for twice daily. Those were American men with acne, not Indian men with shine, but the lesson carries. Wash twice, with care.

Here is the full routine, in the brand's four steps.

Morning

Cleanse. Wet your face with lukewarm water. Massage a coin-sized amount of the Active Oil Control face wash into a lather. Use your fingertips, for 30 seconds. Rinse and pat dry.
Treat. Apply 3 to 5 drops of the niacinamide serum on a clean face and neck. It has 5% niacinamide and helps control excess oil and refine the look of pores.
Moisturise. The AAD says to apply moisturizer after cleansing, even on oily skin. Use a lightweight moisturizer with salicylic acid. It also carries DustShield™, a barrier against ultra-fine pollution particles like PM2.5.
Protect. Sunscreen before you leave. The AAD says to wear it outdoors. Any broad-spectrum SPF 30 or higher you will use daily.

Night

Cleanse the same way. This wash takes off the day's oil, sweat and commute dust.
Serum, then moisturizer. Skip the sunscreen.

After the gym or a long ride: one extra wash, then moisturizer. That is the limit. The after-workout guide has the rest.

Illustration of an Indian man rinsing face wash lather off his cheeks with cupped hands of water at a bathroom basin — Lukewarm water, fingertips, 30 seconds, rinse. Twice a day is the whole job. (AI-generated image)

Mistakes Men Make With Soap and Oily Skin

One bar for everything. Hair, body, face, and sometimes the bathroom tiles. Your body can take an alkaline bar. Your face, as the Indian review above shows, cannot. Give the face its own wash.

Washing five times a day. The Indian review calls this a myth. Scrubbing with soap and water several times a day to cut oil "only leads to an aggravation of acne". It even has a name for the result, acne detergicans. The mild face wash guide covers the right number.

Scrubbing with a washcloth or loofah. The AAD says anything other than your fingertips "can irritate your skin". Scrubbing does not remove oil faster. It removes mortar.

Skipping moisturizer because the skin is oily. The AAD puts moisturizer right after cleansing. Stripped skin feels tight and still shines. A light moisturizer made for oily skin ends the tight part. The moisturizer for oily skin article explains why.

Cold water to "close the pores". Cold water feels good on a June morning, and that is the whole benefit. The AAD asks for lukewarm water for washing. Pores do not open and close with temperature.

Two extra litres of water to dry out the face. Every family has an uncle with this prescription. A 2018 review of six studies looked at drinking water and skin. It called the evidence "weak in terms of quantity and methodological quality". More water raised skin hydration a little. Its link to sebum was "unclear". Drink water for your body. Do not expect it to switch off your oil glands.

A steroid or "fairness" cream from the chemist for a quick fix. This one is not a myth, it is a hazard. A 2011 study across 12 Indian dermatology centres screened 2,926 patients with facial skin problems. Of those, 433 were using a steroid cream, most without a doctor's advice. Side effects "were seen in 392 (90.5%) TC users", and the most common one was acne or worse acne. No cream from the counter is worth that.

Blaming dinner. Food has a small say in pimples, not in shine. A 2022 systematic review of 34 studies looked at high glycaemic foods. That is the white rice, maida and sugar kind. They "have a modest yet significant proacnegenic effect". In plain words, they can push acne along a little. The dairy evidence was "mixed", and the dairy link held "only among Western populations". The pimples guide has more on this.

How Long Until Your Skin Feels Less Oily?

A face wash works the minute you use it, and the effect lasts hours, not days. It takes off the oil already on the surface. It cannot change how much your glands make. A face wash cannot negotiate with your hormones.

Leave-on products can shift the amount over weeks. In the Japanese study above, 2% niacinamide lowered the sebum excretion rate by week 2, and again at week 4. That is the honest timeline for a niacinamide serum: a few weeks of daily use, not one wash.

Seasons change it too. The Korean men made less sebum in winter than in summer. And the 2017 review says sebum output in men falls in the sixties. So yes, oily skin can turn to normal. In your sixties.

When to See a Dermatologist

Deep, painful or cystic pimples, or any pimple that leaves a pit or a scar. These need prescription care, not a different wash.
Small, itchy red bumps and pustules on the forehead, chest or back that get worse in humid weather and ignore acne products. A 2026 review in the Journal of Drugs in Dermatology says this can be Malassezia folliculitis, a yeast infection of the hair follicles that "is often mistaken for" acne. It needs antifungal treatment after a proper diagnosis. Do not start antifungal creams on your own.
Burning, peeling or a rash after any new product. Stop the product and get it looked at.
Oiliness or breakouts that do not improve after 8 to 12 weeks of a steady routine.
Never use a steroid cream or a "fairness" cream from the chemist for quick results without a prescription.

FAQ: Soap and Face Wash for Oily Skin

What is the best soap for men with oily skin?

For the face, none. Bar soap sits at pH 9 to 10 and strips the skin's own fats, so it leaves oily skin tight and then shiny again. Use a face wash made for oily skin with salicylic acid and niacinamide instead. Keep the bar for your body.

Can oily skin turn to normal?

Over years, yes. Sebum output is set by male hormones, so it stays high through your twenties and thirties and falls in the sixties. Season changes it too, with less oil in winter. Day to day, a routine with a niacinamide serum can help control the excess, but it will not change your skin type.

Does drinking water reduce an oily face?

Not in any study so far. A 2018 review of six studies found the link between water intake and sebum "unclear". Extra water raised skin hydration a little, mostly in people who were drinking too little. Drink water for your health, not for your forehead.

What foods help reduce oily skin?

No food has been shown to cut sebum. For pimples, a 2022 review found a modest pro-acne effect from high glycaemic foods. Sugar, maida and white rice are the usual ones. Swapping some of those for dal, vegetables and whole grains is a sound bet for pimples. It is not a fix for shine.

Is cold water good for oily skin?

It feels good, and that is all it does. The AAD recommends lukewarm water for washing, with your fingertips and no scrubbing. Water temperature does not change how much oil your glands make.

How can men stop oily skin?

You cannot stop it, but you can control it. Wash twice a day with a salicylic acid face wash. Follow with a niacinamide serum and a light oil control moisturizer. Wear sunscreen. Carry blotting papers for the 4 pm shine. The AAD lists them too.

Takeaway: Soap or Face Wash for Oily Skin?

Face wash. Every time. Bar soap is alkaline, strips the skin's own fats, and leaves an oily face tight, then shiny again. A gentle face wash with salicylic acid and niacinamide cleans off the extra oil and leaves the wall standing.

Tonight: wash with the Active Oil Control face wash, pat dry, 3 to 5 drops of serum, a light moisturizer. Tomorrow morning, the same, plus sunscreen. Keep the bar. Give it the body. If you want to start with one product, the bestsellers are the place to look.