John Frieda Blue Crush Shampoo & Conditioner Set for Brunettes — 8.3 oz x2, Blue Pigments to Neutralize Brass

John Frieda Blue Crush Shampoo and Conditioner Set is a blue-pigment system formulated to neutralize brassy warm tones and refresh cool, vibrant brunette color in one wash.

Designed specifically for brown hair—whether you’re color-treated or naturally brunette—this pair uses crushed blue pigments and targeted conditioning technology to tone, smooth, and add shine while reducing unwanted orange or gold cast. The shampoo deposits blue pigments to counteract brass, and the conditioner smooths and seals the strand for improved manageability and brightness. Formulated without peroxide or ammonia, the system aims to renovate faded brunette tones with minimal skin staining thanks to a tri-dye/dual penetration approach.

How quickly will I notice a difference in brassiness?

Many users see a visible toning effect after the first application because the shampoo deposits blue pigments that neutralize warm undertones. Results depend on initial brass level, hair porosity, and frequency of use—occasional maintenance or weekly use is common.

• Blue pigments actively counter orange and yellow tones
• One-wash visible toning for moderate brass
• Stronger correction on slightly porous or mid-porosity hair
• Use frequency tailored to how quickly your color fades

Will this set work on both color-treated and natural brown hair?

Yes. The formula is designed to be safe on both dyed and natural brunettes. The shampoo targets high-fade areas while the conditioner rebuilds softness and alignment without peroxide or ammonia, making it suitable for color-maintenance routines.

• Peroxide- and ammonia-free for gentle toning
• Shampoo minimizes skin staining via tri-dye and dual penetration technology
• Conditioner provides targeted smoothing to damaged or fragile strands
• Compatible with highlighted, lowlighted, and single-process brown hair

How do I use the Blue Crush system for best results?

Apply the shampoo to wet hair, lather, and rinse thoroughly to allow the blue pigments to balance brass. Follow with the conditioner, concentrating on mid-lengths to ends, then rinse. Adjust frequency and contact time based on desired toning strength.

• Shampoo: apply, lather, rinse; repeat if stronger toning needed
• Conditioner: leave on 1–3 minutes for smoothing and shine
• Use weekly or as needed to maintain cool tones
• Rinse well to reduce any temporary surface residue

Can this set cause staining or affect skin?

The formula is engineered to favor hair penetration and limit skin uptake, reducing the chance of bathroom staining and making gloves optional for most users. Still, avoid prolonged contact with the scalp or skin and rinse thoroughly after use.

• Tri-dye blend targets hair, minimizes skin deposition
• Recommended thorough rinse to ensure clean finish
• Designed to reduce visible staining during normal use
• Patch test if you are concerned about individual sensitivity

Who is this for: This set is aimed at brunettes seeking to revive cooler, brighter brown shades—whether you maintain dyed color or embrace a natural brunette tone. It's a practical option for anyone wanting to reduce brassiness, boost shine, and smooth texture without using peroxide or ammonia. If you have very lightened blonde tones, extreme brassiness, or specific scalp sensitivities, consider consulting a color professional before use.

Ingredients

Water, Glycerin, Cetearyl Alcohol, Dimethicone, Behentrimonium Chloride, Fragrance, Dipropylene Glycol, Dimethiconol, PEG-14M,Amodimethicone, Disodium EDTA, Sodium Hydroxide, Glycine, Trideceth-12, Benzophenone-4, Malic Acid, Ethylhexyl Methoxycinnamate, Cetrimonium Chloride, Benzoic Acid, Blue 1, Ext. Violet 2, Water, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Glycol Distearate, Sodium Chloride, Cocamide MEA, Fragrance, Dimethyl Isosorbide, Propanediol, Lactic Acid, Cocamidopropyl Betaine, Malic Acid, Cetyl Alcohol, Benzyl Alcohol, Hydroxypropyl Methylcellulose, Guar Hydroxypropyltrimonium Chloride, Sodium Hydroxide, Ext. Violet 2, Laureth-16, Disodium EDTA, Polyquaternium-52, Green 5, Blue 1, Glycine, Benzophenone-4, Ethylhexyl Methoxycinnamate, SodiumXylenesulfonate, Methylchloroisothiazolinone, Methylisothiazolinone