Physalis Witch Hazel Water 200Ml. Bio is a natural product that benefits the skin, hair and nails. Witch hazel water is known for its astringent and soothing properties, helping to balance oil production in the skin and reduce the appearance of enlarged pores. It also strengthens nails and promotes healthy hair. This product is organically grown, which means it has been cultivated without the use of pesticides or harmful chemicals.