Acidic Bonding Concentrate Leave-In Treatment, Bond Repair for Damaged Hair with Heat Protection

This redken leave-in treatment is such a game changer for me. For context, my hair is very fine, and my lengths reach my bra strap. I've been using this consistently for 9 weeks. I'm devoted to Olaplex no.3, but recently I went abroad and didn't have time to do the pre-treatment and then shampoo. This leave-in treatment is fantastic. I didn't register the effect it had on my ends until after I'd used about 3-4 times, and then bam! my ends now feel smoother and silkier and bizarrely enough the end of my ponytail feels thicker too. My grey shines and also feels very soft, and my ends don't catch at the end of the brush as it slides through it. I suspect this is because my ends aren't breaking off as easily and the friction from my hairbands are not getting to do as much damage as before because of this leave-in (I don't know, I'm not a hair scientist). What I do know, is my hair feels tremendous, it brushes out without tangles or knots, and it feels like it's in fabulous condition. The smell is also so light and fresh, like others have stated a salon smell, but nothing overpowering and doesn't interfere with perfume etc. also the scent doesn't change over time, especially if I happen to be lazy and not wash it for 3-4 days. A little bit also goes a long way, pretty much like olaplex 3, an amount the size of 20p piece, and it covers my long hair quite well. Now this isn't a cheap product, but given the change it has made to my hair I feel it's worth the spend. I will in future look out for Amazon price drops on it. All in all, a brilliant product!

I’ve been using the Redken Acidic Bonding Concentrate Leave-In for a few weeks now, and it’s become a staple in my routine. My hair is colour-treated and tends to get dry and frizzy, especially after heat styling, but this product has made a noticeable difference. The texture is lightweight and creamy, so it spreads easily through damp hair without leaving any greasy residue or weighing it down. A little really does go a long way – one small squeeze is enough for my medium-length hair. After blow drying, my hair feels smoother, looks shinier, and the ends appear much healthier. It also doubles as a heat protectant, which is a big plus because I straighten my hair often. Since using it, I’ve noticed less breakage and fewer split ends. The scent is subtle and salon-like, not overpowering. I also appreciate that it helps balance pH and repair bonds – it feels more like a treatment than just a styling product. Overall, I’d highly recommend this if you’re dealing with dryness, damage, or just want to keep your hair strong and protected from styling. It’s definitely worth the price for the results.

I am trying to grow my hair down to my bust, but maintaining the condition of my hair has been impossible. My hair is very coarse with split ends. I bought this leave in conditioner 4 weeks ago and have used it every time I blow dry my hair. It's the best conditioner I've ever used. The condition of my lengths between washes is greatly improved but not amazing. It doesn't protect against hot and humid weather, my hair still becomes incredibly frizzy in those conditions. I will be buying this again, I feel sure that when the weather cools down and I start trimming my hair again it will look better. I only use small amounts of the product as it's very expensive.

Great pricing for the product but the product its self is 10/10!!! I love it it really nourishes my hair with my curly hair or when i straighten it. Smells great and a little goes along way while also being lightweight leaving my hair super soft and shining keeping it healthy.

Very decent product! Helps detangle my hair easily and all other benefits of bonding and heat protection! I see it's advertised a lot, but from the girl with a high maintenance hair, who tried many products over lifetime, it's definitely goes on my top5 shelf and the adds ain't lying .It's worth the money. Lasts ages.

Great conditioner, leaves the hair smooth as silk and stops it being fly away.

My hair definitely feels soft but I find when straightening it it doesn’t look as smooth as it usually does. I’ve been using it for just over 2 weeks along with the acidic bonding shampoo and conditioner, the shampoo and conditioner are really great but my hair seems a bit bulky when using the bonding leave in conditioner. One thing I must add is that I don’t have the breakage anymore there’s no loose hair on comb or brush so that’s good.

If I could give this more stars I would. My hair has been to total nightmare for the last 4 months thanks to a hairdressers error. I’ve tried all other leading brands but nothing worked as good as this. Even from the first try you can see and feel the difference. Don’t use too much. A blob about the size of a thumbnail rubbed between hands then put on to damp hair. My hair is sits on shoulders. Does not turn hair greasy which was another problem for me but not at all with this. My hair actually feel like hair again. My new hairdresser was shocked at the difference in my hair when I went this week. Seriously buy it!