Stimulair  juice or vinegar, which is why vinegar hair rinses were traditionally used after washing. While shampoos don't create this  Stimulair   effect they come with their own set of issues as they are stronger cleansers than soap and strip more of the natural oils from the scalp and hair, leaving it dry and in desperate need of moisture. This is where conditioners come in, their key functions to make the hair scales lie back down and coat the hair so that it feels smooth again. In addition the type of surfactant used to clean hair in shampoos can be problematic with those such as sodium or ammonium lauryl...

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