Countryfile star could be seen washing her hair as she spoke about the benefits of plastic-free shampoo for the environment.The 51-year-old sported a black button down swimsuit as she addressed her 101,000 followers, while cleaning her brunette tresses.Julia dubbed it the "plastic-free shampoo bar test" when she posted the footage online.The TV presenter pointed out that it wasn't her shower she was using as she stepped under the cold water.She then turned the water off as she massaged her scalp in order to reduce wastage."The bathroom is a tricky area to get rid of plastic.Shampoo bars are a great switch for all of us - if they work for you," she wrote in the caption of her post."This one by @gruum_hq is hand made in England & apparently.
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