As more people try to be sustainable, many consumers switch from traditional shampoo bottles filled with liquid formulas to solid solutions to cleanse their hair. Shampoo bars are hair cleansers in bar soap form that come with zero-plastic packaging and save water, making them a great alternative to regular shampoos. But how long does a shampoo bar last? Read on to find out.
Compact and travel-friendly, solid shampoo bars offer a great way to reduce your environmental impact. Well-formulated moisturizing shampoo bars have a PH-balanced paraben-free and sulfate-free formula, allowing us to adopt a more sustainable hair care routine.
Packed with active natural ingredients and delicately infused with essential oils, shampoo bars are as effective as traditional shampoos, making your hair softer, healthier, and easier to style and manage after every wash. Different formulas work well on different hair types—from curly to color-treated, oily, balanced, or dry. And what's more, they are durable and last longer than their liquid counterparts.
Even though shampoo bars are significantly smaller than bottles of shampoo, they are designed to be long-lasting. They contain little water and are highly concentrated, so they typically last longer than liquid formulas that have 80-90% water.
But the answer gets a little trickier when it comes to how long a shampoo bar lasts. The bars' lifespan depends on various factors, such as how many people use the shampoo bar in a household, how often they wash their hair, how big the shampoo bar is, and how it is stored. It's also important to consider the ingredients in the bar, the hair type, and its length.
On average, the standard shampoo bar may last around 60-80 washes and can replace 2-3 bottles of regular shampoo, meaning consumers save money and extra trips to the store. These numbers have been observed from customer reviews and feedback. We can expect a shampoo bar to last around three months when used a few times a week and kept away from heat and moisture.
But each situation is different, so it's tough to answer accurately. For example, longer hair will require more shampoo than shorter hair. People with thin hair will need less shampoo for an effective wash than those with thick hair. And those who live in a hard water area might need more of a shampoo bar when washing their hair, which means it won't last as long.
Besides, shampoo formulation and ingredients also matter, so bars made by different manufacturers have different properties. As a result, some shampoo bars may last longer, while others may need replacement sooner.
And just like any other personal care products, shampoo bars generally come with an expiry date and/or a "period after opening" suggestion, which refers to the length of time they are expected to work as they should. In general, shampoo bars last 3 to 12 months after opening, although the expiry date varies from product to product and depends on the product's ingredient list.
Storage conditions can also affect the lifespan of shampoo bars since too much exposure to sunlight, heat, and moisture can make them softer. Improper storage can mean that a shampoo bar may expire before the date indicated on the package. As a rule of thumb, we can assume that a shampoo bar is too old if it has an odd odor, has changed its color, or doesn't seem to be lathering as it did before. Expired shampoo bars aren't effective, which can result in hair looking dull and not as clean as expected.
How to Store Shampoo Bars to Ensure They Last Longer?
It's important to remember that shampoo bars are activated by water, so it's necessary to keep them dry between uses to help them last as long as possible. That's why it's better to keep them away from the shower and moisture and store them where air circulation keeps them fresh. It also makes sense to cut larger shampoo bars into smaller pieces to make them more manageable to use and extend their shelf life.
A shampoo bar should be placed on a soap dish with drain holes and stored in a cool, dry place to drain excess water freely and dry out completely. This will prevent it from sitting in a pool of water, making it mushy and causing bacteria buildup. It's also necessary to store shampoo bars away from direct sunlight and heat because excessive heat can melt them, making their shelf life much shorter.
Shampoo bars made with natural ingredients don't contain harsh chemicals and are eco-friendly and easy to use. They smell delicious and work well to deeply clean hair without drying it out, and the best thing is that we can count on them lasting through many wash routines. A well-formulated shampoo bar will leave hair looking and feeling ultra-soft and smelling fresh, and we can expect it to last longer than a regular shampoo bottle.
But it's vital to store shampoo bars properly and keep them away from spraying water while not in use to extend their lifespan. Keeping shampoo bars dry between uses will make all the difference in how long each bar will last.