How Long Do Shampoo Bars Last?

How long do shampoo bars last?

Shampoo is an essential part of everybody’s hygiene routine. In the US, people spend more than $3Billion per year on shampoos! Shampoo bottles can cost anywhere from $3-40 and up. Did you know that an average shampoo bottle contains 80% water?

You’re correct, most shampoo you purchase is packaged water. While some shampoos may be more concentrated than others; however, most shampoos contain water as the first ingredient, which makes up the bulk of the product.

Shampoo bars are gaining popularity in the haircare industry. It is not surprising that people are more concerned about reducing waste than traditional shampoos.

Shampoo bars are a great option because they are concentrated, last longer than shampoo bottles, don’t make plastic waste or create water waste, and are made from natural and safe ingredients.

They are slightly more expensive than bottled shampoo. However, shampoo bars are more expensive than liquid shampoo. This is because they last longer, so you can compare apples to oranges.

How long can shampoo bars last? It depends on which shampoo bar you choose and how much product your hair uses, but most shampoo bars will last 80-100 washes. The bar can last at least twice as long as bottled shampoo, up to 35 washes. This is not all.

We will be discussing some other differences between shampoo bars & bottled shampoo in this article.

What is a Shampoo Bar?

The shampoo bar (we recommend starting with this one by Klorane) is a bar soap but for your head. It is made with the same ingredients as bottled shampoo but without added water. It is solidified and can be compressed into a brick- or bar-shaped shape.

Shampoo bars are a popular form of shampoo, but they have not been used for more than ten years. Although liquid shampoo was popularized in the 1940s and 1950s, shampoo bars were still available.

Shampoo bars are making a comeback thanks to sustainable beauty movements. We’re all for it. A shampoo bar works the same way as a soap bar. Once you rub the bar with your hands, it will lather.

The lather can be applied to your damp hair, and you can continue to lather up, just like regular shampoo. You can then rinse your hair with water after the shampoo has dried. You don’t need to rinse and repeat.

Are Shampoo Bars More Cost-Effective Than Bottled Shampoo?

A shampoo bottle that costs only $3 can be used for 35 washes. This is $0.08 per wash, even if you use the most expensive shampoo available!

You will pay $7 for shampoo bottles that contain natural ingredients, making it $0.20 per wash. This is higher than the shampoo with the highest price.

Shampoo bars can be more expensive up front, but they will last longer and save you money.

They last longer and are concentrated, so you don’t have to use them as much to clean your hair. This could save you even more.

Shampoo bars are also available in simple packaging, usually cardboard or paper. This means that you won’t have to pay for excessive plastic packaging.

Are Shampoo Bars Better For The Planet?

Shampoo bars are more economical, but they also have a better environmental impact. Although it doesn’t directly save money, saving the environment can make your life easier in the long term.

Bottled shampoos contain a lot of water and are packaged in a lot of plastic. This ends up in landfills or our oceans.

Shampoo bars are usually packaged in small quantities. Companies that make shampoo bars use biodegradable packagings such as recycled paper and cardboard. These products don’t leave traces in the environment like plastic and don’t harm wildlife.

Shampoo bars are less likely to contain preservatives. Due to the high water content of bottled shampoos, it is necessary to add more preservatives to the product. Water is a perfect breeding ground for microorganisms and can result in products in our waterways.

Do Shampoo Bars Work As Well As Liquid Shampoo?

You might wonder if a shampoo bar will work for your hair if you have never tried it. You might have to get used to them.

You might feel your hair a little waxy when you first use a shampoo bar. This is normal and temporary. The shampoo bar will eventually become a part of your hair and scalp, and this feeling will disappear.

You may need to experiment with different shampoo bars before finding the one that suits you best. Shampoo bars are similar to liquid shampoos in that they have different ingredients and are targeted at different hair types. Although it might take some time to find the right one for you, many resources are available online.

Solid shampoos contain the majority of the same ingredients as liquid shampoos. If you have dry hair and prefer to use shea butter shampoo in liquid, you can find shampoo bars containing shea butter.

What are Conditioner Bars?

Conditioner bars are also available. If you’re looking to replace your bottled conditioner with something more environmentally friendly, you can. You can use a shampoo bar and follow it up with a regular bottled conditioner. Or vice versa. You can mix and match products however you like.

Conditioner bars are similar to shampoo bars. They contain full versions of the bottled product. Conditioner ingredients are concentrated without any added water. They form a solid bar. You can add water to the bar and transfer the creamy goodness to your hair to activate the conditioner.

Conditioner bars can be washed for approximately 80 washes. This makes them more cost-effective than liquid conditioners.

Do Shampoo Bars Expire?

Shampoo bars can expire like liquid shampoo. Liquid shampoo bottles that have been opened will usually expire within 6-12 months. Shampoo bars last for about 12-14 months before they need to be thrown away.

These are only guidelines. You would need to verify the packaging for each shampoo type. Due to the different ingredients, expiration dates can differ greatly.

Solid shampoos and conditioners will last longer because they don’t contain much water. This can lead to liquid shampoos becoming unusable over time.

Does shampoo bar last longer than liquid shampoo?

They last longer: With proper care and storage, the hair bars can last around 50 washes, which can’t be said about liquid shampoos. As these bars have more concentrated ingredients, a little goes a long way.

How often should I wash my hair with a shampoo bar?

After that, I usually have an acid rinse once a week, but that can vary depending on your hair type: keep in mind that greasy hair may need it more often, while if you have dry hair type, once or twice a month will still ensure you give your hair a nice extra pampering and care.

Is a shampoo bar worth it?

With a handful of benefits, including portability, ease of use, and minimal packaging, shampoo bars are worth considering the next time you’re running low on your go-to cleanser. Here’s what you need to know before you add one to your hair care routine.

How many washes can you get out of a shampoo bar?

An 80g shampoo bar will last approximately 60 to 70 washes, depending on hair length and storage. While a 50g conditioner bar will last you 70 to 80 washes. Care instructions: The bars may attract moisture due to their moisturizing properties and may cause them to sweat.

How many bottles of shampoo are in a shampoo bar?

Each shampoo bar is essentially three bottles of salon quality shampoo, minus the plastic, palm oil, harsh ingredients, and water. The shampoo bars are made using high-quality and ethically sourced ingredients. They’re also pH balanced and won’t strip your hair of color.

Does bar shampoo damage hair?

Shampoo bars are typically healthier for your hair than detergent-based liquid shampoos because they’re made without parabens, sulfates, phthalates, silicone, and synthetic fragrances. This means shinier, more manageable hair, and less damaging and stripping, which can happen with chemical-based products.

Why does my hair feel waxy after using shampoo bar?

Some (but not all) shampoo bars can leave a waxy residue. This residue is a byproduct of saponified oils. Saltspring Soapworks shampoo bars contain saponified oils. As such, some users will feel residue in their hair.

How do I look after my shampoo bar?

Rinse thoroughly. After using you’re Shampoo Bar, it’s best to store it in a dry place such as a box or aluminum storage case for best preservation. Follow with a conditioner or intensive hair mask for more intense nourishment.

Why does my hair feel dry after using a shampoo bar?

The reason that some bars leave your hair feeling waxy is that they are literally bars of soap. They are made from saponified oils, which is the technical name for mixing oils (like coconut or olive oil) with an alkali to make soap.

Do you need conditioner after shampoo bar?

If you are using a conditioner because your hair is dull, lacks luster, and is dry–you may not need a conditioner–that’s another plastic bottle saved! Since commercial shampoos contain petroleum products that are actually drying to your hair and scalp, conditioners are usually needed.

Why you should switch to shampoo bars?

That said, there are plenty of shampoo bar benefits and lots of good reasons why you should consider switching to these eco-friendly alternatives. They save water.

  • Less water = more potent ingredients.
  • You’ll cut down on plastic usage.
  • Stretch the life of your products.
  • Save shower space.
  • They’re travel-friendly.

Are shampoo bars better than regular shampoo?

It may also take some trial and error to find the best shampoo bar for you, plus if you have naturally curly or texture hair, rubbing a shampoo bar up and down your strands may cause tangles and knots, but overall—for both hair health and the planet—we say shampoo bars are better than traditional liquid soap.

How long do lush conditioner bars last?

These mighty bars are concentrated pucks of shampoo that can outlast two to three bottles of the liquid stuff: one bar will last up to 80 washes! They’re also packed full of essential oils and fresh ingredients so you’ll have gorgeous hair every time.

How do you use the last bit of shampoo bar?

USE A SOAP SAVER BAG To use up the last pieces of your shampoo and conditioner bars, check out our Sisal Soap Saver Bag! Simply apply water to the bag to work up a lather and massage onto your head as usual. The bag holds shampoo bar pieces inside so you don’t have to worry about bars slipping out of your hand!

Do shampoo bars contain water?

Not only are shampoo bars more convenient and miles better for the environment, they’re mostly made with natural ingredients so are much better for your hair. And, as most liquid shampoos are about 80% water, you’ll find your shampoo bar lasts almost twice as long.


Shampoo bars offer many advantages. They are concentrated and can provide more washing power than bottled shampoo. They last for a long time without running out. They are less wasteful and more eco-friendly.

Although they cost slightly more than regular liquid shampoos, we believe they are well worth it in the long term. They are more affordable than regular shampoos when considering how many washes they will get.

It can be difficult to use a bar shampoo instead of a liquid. It is possible not to know how much shampoo to use the first time you try it.

There might be a transition period where your scalp isn’t used to the new product for the first 3 to 4 weeks. Shampoo bars may be an option if you can overcome these inconveniences.

Leave a Comment