K18 PEPTIDE PREP™ Colour-Safe Detox Clarifying Shampoo, Non-Stripping, pH-Optimised Cleanse, Removes Product Buildup, Dirt, Oils & Metals, 250ml

Amazing as I have thick hair and it blonde and this give it a good shine and tames static on your hair

Very good product, noticed a difference after 2 washes. Smells okay . It is grey/black when comes out, I was a little freaked out but it was fine, only a small amount needed as foams up a lot. Only time will tell how good it is long term. May purchase more products in time. It is expensive for a shampoo but worth the money if it does a good job.

I love this shampoo . My hair is curly but unhealthy fragile broken and split ends . So I was worry to use it to make my hair more dry but actualy I don't know how it work . After I use it although it make my hair extremely clean like I never felt befor but still don't make it dry at all .my hair just so clean and I love this feeling . Just do not use it more than one time if you gonna use it with the k18 leave in / or once in month to detox your hair from the harm material from water, product and air

I’ve ordered this a few weeks ago and have been using it about twice a week. I don’t know if it’ll make my hair grow. It’s too soon to tell, however I can see that my hair’s texture has changed. It used to feel weak and brittle, sometimes tough like a broom. I’d have to use so much conditioner to be able to brush it, yet the next day it looked like I haven’t haven’t washed it in days - this was with other shampoos. I have straight, fine hair. And I’m 23. I’ve dyed it about 6 times since I was 15. This is the first shampoo that has given my hair volume, shine and made it feel nice to touch. I recommend being careful when it comes to quantity. Too much will make it tough to touch, it will create frizz and even dandruff. Just enough (for your hair type and length) might give you the same results as me. Thank you.

Removes build up of conditioner. Although quite expensive it is worth it. I alternate using it with other shamppos.

Excellent product but very expensive

This is genius brilliant product quick delivery

A very good detox shampoo. I bought it when I started to use a hair growth serum, because you need to cleanse and detox your scalp to make such serums be well absorbed and work. The shampoo does the job, I use it weekly for a month by now, the scalp is cleansing, the serum is working, new baby hair are growing, I’m happy and satisfied. I also bought a “ph maintenance peptide prep” shampoo of this brand for daily use. They did not have it in stock on Amazon, but I was lucky to meet it in Vidal Sassoon hair salon for the same price as Amazon. They use K18 hair treatments in the salon and my hairstylist said their contents are “amazing”.

After testing the K18 Peptide Prep Detox Shampoo for two weeks, I’m genuinely impressed with its performance. As someone with color-treated, heat-styled hair, I’m always looking for products that detox the scalp and strands without leaving my hair feeling dry or over-cleansed — and this delivered exactly that. Cleansing Power: This shampoo provides a deep, clarifying cleanse that removes product buildup, excess oil, and environmental residue in just one wash. My scalp felt noticeably cleaner, and my hair had more natural volume at the roots. It’s strong enough to reset your hair without feeling harsh or over-drying. Gentleness & Formula: Despite the deep-cleaning effect, it doesn’t strip the hair. It’s sulfate-free and feels balanced — no squeaky or tangled feeling afterward. It lathers well with just a small amount, and the clean, subtle scent is refreshing without being overwhelming. Compatibility: It works especially well as a prep step before using bond-building or peptide-based treatments like the K18 leave-in molecular repair mask. I noticed that post-shampoo treatments seemed to absorb better and left my hair feeling smoother and stronger. ✅ Pros: Deep-cleansing without dryness Great prep for repair/bonding treatments Clean scent, good lather Safe for color-treated and damaged hair A little goes a long way ❌ Cons: Not intended for everyday use — best 1–2x per week (but that’s typical for clarifying products)

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tevreden

The K18 Peptide Prep Detox Shampoo is amazing! It deeply cleanses without stripping my hair, leaving it soft, fresh, and perfectly balanced. I love that it maintains a gentle pH and preps my hair beautifully for treatments. A must-have for healthy, shiny hair!