had best (do something)
should do something, ought to do something
I had best go home soon as I want to get up early tomorrow morning.
1. Wet a lemon half and rub lemon juice into the scalp well. Wash off after it turns dry.
2. Grind 1 tablespoon each, pulp of amla and lime juice. Massage this into the hair before going to bed. Wash it next morning.
3. Soak shredded ginger (adrak) in honey. Eat a spoonful every morning.