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 – but as a rule, a single bar is equivalent to about 3 bottles of shampoo.
Factors that affect sustainability 🌿
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Usage – if you wash your hair daily, it will wear out faster than if you wash it every third day.
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Storage – a cake that is allowed to dry between uses will last much longer.
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Hair length and thickness – longer and thicker hair requires more product.
Tips to make the cake last longer 💡
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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 ✨
With proper storage, your shampoo bar can last for several months – making it both economical and environmentally friendly.
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