The Shampoo That Can't Decide What It Is

What real owners actually say

Here's the tea from people who actually bought this: the Redken Acidic Bonding Concentrate line is for genuinely damaged hair — think bleach, perms, severe heat damage — NOT just dry or frizzy hair. If your hair is merely thirsty, this is not your product. Now, the juicy part: multiple users with bleached and double-process blonde hair report this shampoo made their hair feel like STRAW. Dry, brittle, worse than before. Not one, not two — several people had this exact experience and thought they were going crazy until they found each other. Meanwhile, the informed community consensus is that the pre-shampoo treatment is the actual workhorse of this line, and the shampoo is essentially a compromised product. The argument, popularized by the Blowout Professor on YouTube, is that repair and cleansing are fundamentally different processes — a shampoo can't effectively do both, so you end up with a product that either doesn't clean well or doesn't repair well. Fine, wavy (2A) hair types also report it weighs their hair down and leaves it looking stringy and dingy. And here's the kicker that Redken doesn't want you to know: L'Oreal owns Redken AND Garnier, and their drugstore bond repair lines use nearly identical acid bonding technology for a fraction of the price. One user specifically notes the L'Oreal Pure Ever 14% pre-shampoo is 'the identical product' for about $10. Multiple users confirm the ingredient lists look almost indistinguishable across the three brands. Some users who dye their hair say Olaplex works better for them. The general sentiment: if you want to try this line, buy the pre-shampoo treatment (or its drugstore dupe), and skip the shampoo.

The YouTube reviewers who actually tried it

The YouTube reviewers paint a sunnier picture, but with important caveats. Reviewers with high-porosity hair are absolutely obsessed — one user says it changed their hair 'a full 180 degrees.' Textured hair types (3b, 3c) report great results, with multiple commenters surprised that Redken worked for their hair type when they'd assumed it was only for straight hair. A biracial reviewer with fragile, frizzy textured hair got the in-salon treatment and was 'SHOCKED how good it was,' then immediately bought the shampoo and conditioner. Bleached hair reviewers with long hair call it 'phenomenal,' 'a game changer,' and report soft, silky, shiny results — but one crucial tip from the comments: you MUST double-cleanse (wash twice) for it to actually work. Some reviewers even say they prefer Redken over Kerastase. Non-color-treated users who occasionally use heat also report positive results. One commenter notes the citric acid (the alpha hydroxy acid in this product) is the 5th ingredient and is moisturizing rather than damaging. The salon professional treatments get glowing reviews across the board. However, almost no YouTube reviewer isolates the shampoo alone — they're reviewing the full system (shampoo + conditioner + leave-in + treatment), which muddies whether the shampoo specifically is doing the heavy lifting or just coasting on the pre-shampoo treatment's coattails.