Olaplex - No. 4P Blonde Enhancing Toner Shampoo

What it is: A toning shampoo that strengthens, hydrates, and neutralizes brassiness while keeping hair hydrated from roots to ends.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Color Safe
- Brassiness

Highlighted Ingredients:
- Bis-Aminopropyl Diglycol Dimaleate: Rebuilds broken and weakened bonds.

Ingredient Callouts: This product is vegan, gluten-free, and cruelty-free.

What Else You Need to Know: This highly concentrated, sulfate-free shampoo forms a rich lather to neutralize brassiness and boost brightness after one use. Suitable for all blonde, lightened, and gray hair—natural or stylist-created, root-to-tip or balayage—this non-drying formula can be rotated into any hair maintenance routine as needed for your best blonde yet. It’s scientifically proven to boost all blondes three times brighter*.
(*compared to top purple shampoos)