An editor with old money blonde hair breaks down her favorite shampoos for bleach-treated hair. Plus, find a few more picks blonde customers swear by, including Olaplex No.4P, Amika the Kure Strength ...

In a recent Cosmopolitan reader poll, 29% of those who answered said they have fine hair – and I definitely fall into that category. It runs in my family; my mum, two sisters and I all have identical ...