Kerastase K Water hair treatment

K Water is *the* next big hair trend promising shine like never before – but what is it?

14th February 2020 | Author: Victoria Woollaston-Webber

Almost all hair products promise to leave you with shiny, healthy locks but there’s one that – if reviews are to be believed – is changing the game: K Water.

K Water is actually the brand name of Kérastase’s in-salon treatment that uses so-called lamellar technology. The technology traces back to a company called NeoPharm from South Korea which developed Multi-Lamellar Emulsion (MLE) – a mix of oil and water that mimics the “lamellar structure” found naturally in our skin and is responsible for its barrier and how it works.

What Is K Water?

Kérastase’s K Water is based on lamellar technology and is made up of lightweight molecules – up to 10 times smaller than those found in traditional conditioner and masques – which, when mixed with water form topcoat, or barrier, on the surface of the hair. This adds shine but also acts as a barrier to protect your hair from pollution and damage – to an extent.

More specifically, lamellar structures are made up of fine, alternating layers of molecules that form an even bond with the skin or hair. Lamellar gel structures emulsify cosmetic oils to form an invisible film around the active ingredient. Described as a “suit of armour” protects the ingredients inside the product while also supporting the penetration and action of the active ingredients into the skin and hair so they work throughout the day.

The effect obviously wears off unless topped up. Think of it as a moisturiser for your skin; moisturising once won’t keep your skin moisturised for good, you need to apply it regularly. The same goes for K Water.

How does the K Water treatment work?

Once your hair has been cleansed, a stylist will apply the hair treatment to your lengths and ends, replacing the need for a masque or conditioner, before instantly rinsing it off. The act of rinsing activates the molecules which bond to form ultra-fine topcoat on the surface of your hair and because it’s instant, it doesn’t add any time to your salon visit like a masque would. And it costs just £7 on top of your cut or blow dry. It’s currently available across the US and in select Rush Salons in the UK. You can find your nearest here.

Will K Water work on damaged hair?

Kérastase claims that K-Water suits all hair types because it mimics the natural structure found in the body rather than targeting specific areas or problems. However, if your hair is very damaged or coarse, Kérastase advises talking to one of their stylists about alternative treatments such as Fusio-Dose.

Don’t miss out! Sign up for the mamabella newsletter today


This site contains affiliate links to recommended products. We may receive a commission for purchases made through these links. We will not recommend anything we don't believe in and we are not paid by brands to include specific products unless explicitly stated.
Next Article Previous Article