- A survey of 500 Vietnamese adults found that 49% wash their hair without hot water and 51% have hot water available in their bathrooms.
- The survey also found that women wash their hair every 2-3 days on average, use rinse/conditioner more than men, and 57% care about their hair smelling good after wearing a helmet.
- The most common places Vietnamese purchase shampoo are supermarkets (70%) and grocery stores (56%).
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