Products like purple shampoos (e.g., from Wella Professionals ) are frequently reviewed for their ability to neutralize "brassy" or yellow tones in blonde hair.

It is possible the name is slightly different or refers to a very niche or adult-oriented content. If you are looking for hair styling advice for teenagers with blonde hair, here are some common themes found in reviews for blonde hair care:

"Dirty blonde" or "dark blonde" shades are popular for teens looking for low-maintenance looks, as noted by stylists at InStyle .

Many users recommend sulfate-free shampoos and deep conditioners to manage natural blonde textures, which can be prone to dryness.

If you can provide more context—such as whether this is a book, a specific brand of hair product, or a different type of media—I can help you find a more accurate review.