Olaplex No.4P Blonde Enhancer Toning Shampoo is a purple toning shampoo for blonde, lightened, and grey hair. It is suitable for both natural and colour-treated hair where you want to neutralise unwanted yellow or brassy tones.

Key Benefits

Purple pigments neutralise warm yellow and brassy tones. The shampoo also cleanses hair without the dryness caused by stripping.

According to the manufacturer, it strengthens, softens, and brightens the appearance of hair. The toning effect is delivered by the dye Acid Violet 43 (CI 60730).

In a single wash, you get cleansing, correction of unwanted warm tones, and softer hair.

Ingredients

• Patented ingredient: Bis-Aminopropyl Diglycol Dimaleate.
• Moisturising ingredients: glycerin and betaine.
• Purple dye: Acid Violet 43 (CI 60730).
• Cleansing ingredients: Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, and Sodium Cocoamphoacetate.
• The formula is sulphate-free and has a balanced pH.
• The product is certified as vegan and cruelty-free.

The formula combines targeted purple toning with cleansing and moisturising ingredients in a sulphate-free formulation.

Use and Dosage

Apply the shampoo to wet hair and lather. Leave on for 1–3 minutes. For more intense toning, you can extend the time to up to 5 minutes. Then rinse hair thoroughly.

After washing, it is recommended to use Nº.5 Bond Maintenance Conditioner.

You can adjust the processing time to suit your desired level of toning.

Packaging and Volume

• Volume: 250 ml (8.5 fl. oz.).

About the Brand

OLAPLEX was founded in 2014. The brand was established by Dean Christal and its technology was developed by Dr. Craig Hawker in Santa Barbara.

OLAPLEX's patented technology targets damaged disulfide bonds within the hair and helps to reconnect them. The brand states that its products are tested by independent laboratories and manufactured by contract manufacturers complying with cosmetic Good Manufacturing Practice (GMP).

The brand's foundation lies in patented technology that targets the bonds within the hair directly.