Take an equal amount of hair oil and shikakai powder. Add little reetha powder to the mixture. You can use hair oil, reetha and shikakai in solid form also.
Answer Wiki. The short answer is eight -- there are eight U.S. pints in a U.S. gallon, and eight British pints in a British (or Imperial) gallon, which covers any realistic situation this might come up in.
Full Answer. To calculate how many cups are in one gallon, a person must know that there are 2 cups in 1 pint, there are 2 pints in 1 quart and there are 4 quarts in 1 gallon.