Probably the prettiest of the bunch, this luxury shampoo not only uses violet pigments to brighten blonde, it also provides UV protection (so the sun can't tint your shade, either).
Oribe Bright Blonde Shampoo, $46
This purple formula restores luminosity, gently cleanses and banishes unwanted yellow tones with just one wash.
White Hot Brilliant Shampoo, $16
This cleverly-named formula was created by Dry Bar, a popular chain blow-dry bar, to keep hair luminous in between blowouts and color touch-ups.
Drybar Blonde Ale Brightening Shampoo, $27
This salon-quality formula neutralizes yellow tones but, bonus: also claims to maintain blonde and gray hair, too.
Joico Color Balance Purple Shampoo, $16
This Hollywood-themed shampoo has the right idea. It's cruelty-free and makes blondes extra bright and greys fantastically silver.
Sunset Blvd Blonde Shampoo, $29
This one is A-okay for blonde, silver or highlighted hair. It uses an exclusive dual ultra-violet dye system and built-in optical brighteners to reveal brighter, whiter strands.
Pravana The Perfect Blonde Shampoo, $44
If you're the eco-friendly kind, this brightening formula is enriched with natural ingredients like purple sage, grape seed oil and keratin.
Theorie Purple Sage Brightening Shampoo, $14.50