A word of warning: If the finished rice water smells bad after fermenting, toss it out and start over. Nishiki Premium Brown Rice $ 18.69 at Amazon. Tennedriv Watering Can $ 13.97 at Amazon.

While DIY rice water can go bad pretty quickly, it may be the best option for those with eczema or sensitive skin since there are no other ingredients in it that can cause a reaction.

Dr Sharon explains: ‘Rice is approximately 80% starch, and the water derived from soaking rice unsurprisingly contains starch, a complex carbohydrate, which coats the hair and makes it shiny and ...