South Asian cooks swear by the bite of mustard oil. But in the West, it is not as widely available. By Priya Krishna When the chef Asma Khan was growing up in Kolkata, India, she learned that there ...

So, what is the solution? Jawed Habib recommended daily hair washing using mustard oil, applied to wet hair for 5-10 minutes before rinsing with shampoo, soap, or reetha (Indian soapberry), depending ...