A common question is: how long does a shampoo bar last? The answer depends on how often you wash your hair and how you store it â but as a rule, a single bar is equivalent to about 3 bottles of shampoo.
Factors that affect sustainability đż
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Usage â if you wash your hair daily, it will wear out faster than if you wash it every third day.
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Storage â a cake that is allowed to dry between uses will last much longer.
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Hair length and thickness â longer and thicker hair requires more product.
Tips to make the cake last longer đĄ
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Store on an airy soap dish or in a jar with drainage or in a FOAM bag which is designed for both storage and more lather.
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Do not leave the cake in water after use.
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Create lather in your hands instead of applying the bar directly to your hair, if you want to save product.
Conclusion âš
With proper storage, your shampoo bar can last for several months â making it both economical and environmentally friendly.
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