Hair care: 'A dangerous ingredient should be avoided at all costs - put it back on the shelf,' warns celebrity stylist

Hair care: 'A dangerous ingredient should be avoided at all costs - put it back on the shelf,' warns celebrity stylist

Hair care: 'A dangerous ingredient should be avoided at all costs - put it back on the shelf,' warns celebrity stylist - Regular trips to the hair salon are essential for great hair, but you cannot rely on professional help alone