Question

Can I use bar soap to wash my hair?

wikiHow Staff Editor

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You can use bar soap in place of shampoo but really this should only be done in a pinch, when you have run out of shampoo. The pH of shampoo is designed for skin care, not hair care and soap can be drying on hair if used regularly, and can strip your natural hair oils. There is an exception to this in the form of shampoo bar soap, which some traditional soapmakers produce specifically for hair care; such a soap will contain the right balance of ingredients for hair rather than skin.