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Bar soap vs body wash: which is better for your skin

Bar soap vs body wash: bar soap is cheaper and lasts longer, while body wash is often gentler on dry skin and easier to share. Here is the rule.

Camille Laurent4 min read

A bar of soap on a dish next to a body wash bottle on a bathroom shelf
Image by jussiak from Pixabay

Verdict: bar soap wins on cost and waste, body wash wins on gentleness and hygiene when you share. For most people with normal skin, either cleans the same.

The bar soap vs body wash debate is mostly about how your skin feels afterwards, and about habits. Soap does the cleaning in both. The difference is in what else is added.

Which wins on

FactorBar soapBody wash
Cost per washBar soap. Typically lasts weeksBody wash can cost more per use
Dry skinBody wash. Often has added moisturizersBody wash
PackagingBar soap. Less plastic, often paperBar soap
TravelBar soap is solid. Body wash may leakDepends on the bottle
SharingBody wash. No shared surfaceBody wash
MessBody wash. Bars get soft in a wet dishBody wash
Scent rangeBody wash. More choiceBody wash

Pick bar soap if

  • You want the lowest cost per wash.
  • Your skin is normal or oily.
  • You want less plastic in the bin.
  • You travel with a small kit.

Pick body wash if

  • Your skin feels tight or dry after a shower.
  • You share a bathroom with other people.
  • You find bars slimy or messy.
  • You prefer a pump or squeeze bottle.

Why the skin feels different

Traditional soap is made with a strong base, and many bars leave skin feeling tight. Some modern bars are made differently and are described as gentle or moisturizing. Body washes use a different type of cleanser and often add oils or glycerin.

Check the label, not the format. A mild bar can be gentler than a harsh body wash. The words "fragrance free" and "for sensitive skin" are clues, but they are not guarantees.

A hand lathering a bar of soap under running water
A bar lathers quickly with a little waterImage by slavoljubovski from Pixabay

Worked example

Say a bar costs about the same as a bottle, but the bar lasts three times as long. That is a round example, not a real price. In that case the bar costs about a third per wash. Now say your skin cracks in winter. Spending more on a gentle wash may save you on lotion.

The difference that matters

How your skin feels an hour after. If it feels tight, switch to a gentler cleanser, bar or bottle. If it feels fine, pick the cheaper one. Skin that stays itchy, red or sore is a reason to ask a pharmacist or a doctor, not to change brands.

Caution

A wet bar left in a puddle goes soft and wastes soap. Use a draining dish. Do not share a bar if someone has an infection or open skin. For other swaps in the bathroom, see shampoo bar vs bottled shampoo.

Common mistakes

  • Leaving a bar in a puddle of water.
  • Using a harsh bar on the face because it also works on the body.
  • Judging a wash by how much it foams. Foam is not the same as clean.
  • Buying a big pack before you know your skin likes it.

If you are also weighing hair swaps, our note on air drying vs blow drying hair covers the same idea of gentler habits.

Quick questions

Is bar soap or body wash better for dry skin?

Body wash is more often made for dry skin. A mild, fragrance free bar can work too. Check the label.

Is bar soap hygienic?

For one person, yes. Rinse the bar before and after use and let it dry between showers.

Which is cheaper?

Bars are typically cheaper per wash. Prices change, so compare per wash, not per pack.

Can I use body wash as a hand wash?

Yes. It is a cleanser. Just check that it is not heavily scented if you wash your hands many times a day.

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