K18 TripleBright Oxidation Defense Purple Shampoo Foam is the first triple-action purple shampoo to remove metals and minerals, neutralize existing brass, and defend against future brassiness — for blonde like new, hair like new. The easy-to-apply foam removes up to 3 months of brass from hard water in a single wash and is non-staining, so blondes, highlights and lifted tones stay even. It is vegan, sulfate-free, color-safe and works on all hair types and textures.
Key Benefits
- Removes up to 3 months of brass from hard water in one wash
- Triple action: removes metals and minerals, neutralizes existing brass, defends against future brassiness
- Neutralizes brassiness without staining or overtoning
- Restores and evens ideal tone for highlighted and lifted color
- Easy-to-apply foam format for even distribution
- Vegan, cruelty-free, sulfate-free and color-safe
Key Ingredients
- Trisodium Dicarboxymethyl Alaninate — chelates metals and minerals for an ionic detox
- Polyquaternium-77 — biopolymer that helps prevent metals from reattaching to hair
- Acid Violet 43 (CI 60730) — precision violet toning that neutralizes brass without staining
- Sodium phytate and sodium gluconate — additional chelating agents for mineral removal
- Cocamidopropyl Hydroxysultaine and Sodium Cocoyl Alaninate — sulfate-free cleansing agents
- Glycerin — humectant that helps keep hair moisturized
How to Use
- Apply 2–3 pumps of foam to wet hair.
- Distribute evenly, lathering from roots to ends.
- Let sit 1–3 minutes maximum, then rinse.
- Use up to once weekly.
FAQ
Will K18 TripleBright stain or overtone blonde hair?
No. The formula is non-staining and uses precision violet toning to neutralize brass without overtoning.
How often should I use TripleBright purple shampoo foam?
Up to once weekly. Leave it on for 1–3 minutes maximum, then rinse.
Does it help with hard water brassiness?
Yes. It removes up to 3 months of brass from hard water in one wash and uses chelating agents plus a biopolymer to help stop metals from reattaching.
Available in: 4.2 oz and 15 oz