So, what are the benefits of using purple shampoo on blue hair? For starters, it helps to cancel out any unwanted brassiness or warm tones that can make your hair look dull. It also helps to moisturize and nourish your locks, leaving them feeling soft and silky.
Purple vs Blue Shampoo. Which one to use and Why? - YouTube
And let's not forget about the fun factor! Using purple shampoo can be a great way to mix things up and try out a new look. Plus, it's a great conversation starter - who wouldn't want to talk about their blue hair and purple shampoo?