Bar Soap vs. Liquid Soap: Cost, Cleanliness, and Convenience

Tue, Sep 8, 202614:08

Bar Soap vs. Liquid Soap: Cost, Cleanliness, and Convenience

For most guys, the bar soap versus liquid soap debate comes down to whatever you grew up using. But your choice actually impacts everything from your wallet and daily routine to your environmental impact. As such, you deserve to make that call on purpose — not by accident.

In this guide, we’ll explore how each type of soap works and what makes them different. And we’ll help you determine whether bar soap is better than liquid soap for your routine.

Bar Soap vs. Liquid Soap: What’s the Difference?

What is liquid soap, exactly? And is it actually superior to bar soap or just the same stuff with a fancy pump?

At a molecular level, soap is the ultimate wingman. It hooks up oil with water so dirt and grease wash away. But while all cleansers share that same goal, their formulas split paths:

  • Bar soap is made with sodium salts to keep it firm and long-lasting in your shower or at the sink.

  • Liquid hand soap is formulated with potassium salts and plenty of water to stay pumpable for frequent use.

  • Liquid body wash is designed specifically for full-body shower routines, often featuring sudsing agents (surfactants) designed to lather up with a washcloth or loofa.

While bar soap, hand soap, and body wash all tackle grime with nearly equal gusto, they each bring unique perks to your routine. Here’s how these three sudsy siblings stack up.

Cleansing Effectiveness and Skin Feel

Bar soap and liquid soaps are neck and neck in terms of cleaning effectiveness — they all kick grease and grime to the curb. However, each format claims a few small bragging rights. 

Liquid formulas wash away easily without leaving behind soap scum . Meanwhile, bar soap requires rubbing the bar between your hands, which some claim scrubs away debris a little more effectively.

But while commercial bar soaps earned a bad reputation long ago for drying out skin, quality bar soaps with natural glycerin lock in moisture just fine. All three formats provide a balanced clean that leaves your skin feeling soft and cared for.

Hygiene and Shared Spaces

Many people prefer liquid hand soap for communal sinks because you only touch the pump, reducing the risk of shared surface contact. However, when used properly , a solid bar wipes out dirt on your skin just as effectively. 

The bigger hygiene win actually comes after you rinse. Damp hands pick up microbes like black T-shirts attract lint. So drying your hands thoroughly matters more than whether you use a bar or a pump. 

Cost and Value

Bar soap is cheaper than body wash and liquid hand soap, both in terms of initial purchase price and cost per use . That’s because bar soap makes it pretty hard to overdo things. You rub it between your hands, it gradually gets smaller, and eventually, you buy another one. 

Liquid soap is another story: A handful of overenthusiastic pumps can quickly deplete your supply. In fact, life-cycle analyses from Scientific American and ESU Services highlight a wide margin here. For instance, studies show that people use about 0.35 grams of bar soap compared with 2.3 grams of liquid soap per handwashing. And with liquid body wash, that number often climbs from two to seven grams.

Environmental Considerations

Bar soap generally has the edge on packaging, relying on paper or cardboard rather than plastic bottles. With liquid soap, shipping includes water weight, leading to a carbon footprint about 25% greater than bar soap. That said, bar soap can have a larger land-use impact from growing and harvesting vegetable oils, and the Scientific American study above noted that bar soap use involves 42% more water than liquid during rinsing.

Convenience and Storage

Bar soap may be simple, but it’s not exactly tidy. It needs a proper soap dish to dry out; otherwise, it can turn into a sticky little swamp of residue that’s nobody’s idea of a good time. Liquid soap avoids this countertop and shower shelf mess, but it brings its own quirks like clogged pumps and occasional leaks. Keeping your setup tidy comes down to choosing the right product and accessory for your space.

Which Option Works Best for Handwashing?

When it comes to handwashing , the choice becomes less about which soap cleans better and more about where and how often you wash. Here’s when each option typically makes the most sense. 

When Bar Soap Makes Sense

Bar soap is an ideal choice for low-fuss, minimalist cleansing in personal spaces. It offers simple, straight-to-the-point hygiene that shines best in low-traffic areas like a master bathroom or private shower stall. If your priority is reducing plastic waste, avoiding bulky packaging, or sticking to a budget-friendly setup, a classic bar delivers cleaning power without cluttering your sink.

When Liquid Soap Makes Sense

Liquid soap is a great fit when you wash frequently throughout the day and when multiple people use the same soap. It’s easy to dispense and less prone to mess, making it particularly appealing for families, workplaces, and guest bathrooms. Plus, natural soaps made with glycerin clean without overdrying your hands , which is perfect for frequent use. 

Can You Use Body Wash as Hand Soap?

While it isn’t formulated for that purpose, body wash works as hand soap if you’re in a pinch. For everyday washing and sink-to-shower convenience, body wash is a natural fit. However, for heavy-duty washing and high-frequency use, a liquid hand soap or bar soap makes more sense.

How To Choose Between Bar Soap and Liquid Soap

Choosing between bar and liquid soap isn’t exactly a life-altering decision, but your habits and household setup should have a say in your hygiene. Before you make the call, consider these factors to decide which soap deserves to sit sinkside:

  • Personal preference: If one soap feels better, lathers better, or simply makes you happier, go with it. Soap is personal business.

  • Budget: Bar soap generally costs less per use and often lasts longer, making it a sensible choice if you’re watching every dime.

  • Sustainability priorities: If plastic packaging makes you twitch, go with a bar. If you value using less water per wash, opt for liquid.

  • Household setup: Got your own bathroom? A bar is easy-peasy. Sharing a sink with half the household? Liquid soap gets the nod for cleanliness.

  • Travel and portability: To bypass liquid carry-on limits and potential messy spills, consider solid bar soap and a soap caddy for air travel.

Whichever you choose, remember that life’s too short for bad soap smells. Pick a scent profile that fits your personality — bold and masculine, light and clean, or fresh and tropical.

Level Up Your Handwashing Routine With Dr. Squatch

The best soap for you isn’t necessarily the one that wins the bar soap versus liquid soap showdown. It’s the one that fits how you live and where and how frequently you wash. Consider what matters most to you, be it lather, cost, or sustainability.

For those who lean toward the convenience of a pump without compromising on high-quality natural ingredients, Dr. Squatch liquid hand soaps check all the boxes. Our moisturizing liquid soaps clean away dirt, oils, and grime off your hands, and they’re gentle enough to use on your entire body. With a range of manly scents, you’re sure to find one that fits your vibe. Dr. Squatch turns a boring sink rinse into something you actually look forward to.

Ready to upgrade your daily handwashing routine? Explore the Dr. Squatch liquid hand soap collection today.