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Acidic Bonding Concentrate Leave-In Treatment

Leave-In Conditioner

Acidic Bonding Concentrate Leave-In Treatment — Reddit Reviews

by Redken

79nextscore21 verdicts

Updated November 7, 2026

Gel-cream leave-in that softens damaged hair and revives curls; overuse causes breakage.

What the community says

A thick gel-cream leave-in for very damaged or thick hair, used sparingly on damp lengths to soften ends and bring waves back. Fine-haired users need restraint: repeated use has been linked to breakage and extra shedding.

From Reddit

Backed by 19 threads from r/finehair, r/Haircare and 2 more.

Read the threads ↓

What people love

  • Pea-sized amount leaves hair noticeably soft
  • Improves curl and wave definition
  • Thick gel-cream texture handles very damaged hair

Watch out for

  • Overuse can trigger breakage, especially on fine, dry hair
  • Some users report increased shedding and hair-filled brushes
  • Doesn't tame post-blowdry frizz for everyone

Product details

Product Traits

Key Ingredients

Where to buy

Real Reddit threads — 24 mentions across 19 threads

Redken Acidic Bonding Concentrate Leave-In Treatment on Reddit, in one place — 19 threads from r/finehair, r/Haircare and 2 more, summarized.

“Left side is Redken Acidic bonding leave in and right side is olaplex n.5 moisture and mend leave in”

Cautionary

“my hair always looks frizzy after a blowdry as the redken did nothing for me”

Cautionary

“Just sharing my experience as a cautionary tale: I have very fine, dry hair and tried using the same Redkin leave in conditioner to help. I got great results the first few uses, but over did it (using it every other day or so) and ended up causing a lot of breakage/damage to my hair.”

Cautionary

“Leave in: Redken acidic bonding or it's a 10.”

Positive

“Yes, the "it's a 10", Redken acidic leave in, olaplex no 7 and color wow dream coat are.”

Positive

“On freshly washed, damp hair: • Redken Acidic Bonding Concentrate Leave-In”

Positive
270

“Redken Acidic Bonding concentrate Leave In, on wet hair before drying”

Positive
83

“The Redken acidic bonding leave in is great too, and I used it initially in conjunction with shampoo/conditioner”

Positive

“You might like the Redken acidic bonding leave in, it’s essentially like Olaplex but a bigger bottle!”

Mentioned

“It has this thick petroleum feel to it and absolutely isolated my ends.”

Mentioned

Dupes & Alternatives

Compare all 2 alternatives

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