Acidic Bonding Concentrate Shampoo — Reddit Reviews
by Redken
Updated November 5, 2026
Leaves fine hair shiny and soft; drying and frizz-provoking for some.
What the community says
An acidic shampoo with citric acid, salicylic acid, panthenol, glycerin, and smoothing silicones, aimed at fine hair wanting softness and shine. It can feel heavy or dry out ends, especially alongside the matching line.
What this means for you
What people love
Watch out for
- Heavy buildup and a weighed-down finish
- Protein-overload complaints can mean drier hair
- Frizz can worsen for some users
Product details
Where to buy
Real Reddit threads — 23 mentions across 21 threads
Redken Acidic Bonding Concentrate Shampoo on Reddit, in one place — 21 threads from r/Haircare, r/finehair and 2 more, summarized.
“The following day after the first wash (based on the advice given from you guys (thank you!!) + my own research) I bought Redken acidic bonding shampoo + mask and K18.”
Mentioned
“Redken acidic bonding shampoo and conditioner (LOVE).”
Positive
“Too much protein (redken acidic bond) is actually going to make your hair drier.”
Cautionary
“I think the redken AB is drying your hair out. Switch back to basics”
Cautionary
“I currently use the Redken Acidic Bonding line, including the shampoo, conditioner, and leave-in treatment.”
Mentioned
“Do you think I should alternate the Acidic Bonding shampoo with a moisturizing shampoo?”
Mentioned
“Redkens acidic bonding shampoo - not specifically clarifying but definitely makes you feel CLEAN.”
Positive
“it does feel like my hair is shinier and stronger”
Positive
“you also have to protect your scalp from the sun because it's like using an AHA on your head”
Positive
“The Redken acidic shampoo is okay, nothing special but it does its job.”
Positive