Cool How Long Should I Leave Rice Water In My Hair References. Web rice water should be left on your hair for at least 15 minutes. Web kate suggests “not leaving rice water on the hair for longer than 20 minutes,” so as not to cause additional irritation.
Cover with a plastic cap or bag (a shower cap works. In general, rice water is safe for all hair types and textures. Web massage the rice water into the hair and scalp.
