Surviving London’s Water with Japanese Salon Secrets

If you live in London, you know the struggle. You buy the best products, yet your hair still feels like straw, looks dull, and your fresh hair colour seems to wash out within a couple of weeks.

No, it’s not just the moody weather. It’s the London water.

Here at Assort London in Shoreditch, we see the effects of London’s notoriously hard water on our styling chairs every day. Here is what’s actually happening to your hair—and how we can fix it.

What Hard Water is Doing to Your Hair

London’s tap water is packed with calcium and magnesium. Every time you shower, these minerals create a stubborn buildup on your hair strands—essentially like the limescale in your kettle.

• It ruins your colour: Minerals rough up the hair cuticle, causing those delicate ash tones, pastels, or balayage to fade way too fast.

• It drains the moisture: It acts as a barrier, blocking your daily conditioners from absorbing. The result? Dry, tangled, and stiff hair.

• It weighs it down: That lightweight, airy texture we love in Japanese styling gets replaced by heavy mineral weight.

How We Reset Your Hair at Assort

You can’t change London’s plumbing, but you can undo the damage. At Assort, we build mineral protection right into our standard services:

1. The Japanese Wash Experience

Every haircut or colour at Assort starts at our washbasin with our signature Japanese-style head massage. This thorough, mindful washing deeply cleanses the hair, breaking down the stubborn mineral crust that regular quick showers leave behind.

2. Tailored Technical Haircare (Wella, Milbon & K18)

We don’t believe in one-size-fits-all. To counter hard water damage, we use professional, targeted product lines depending on your hair’s needs:

• Wella: We use Wella’s advanced colour and care ranges, which feature metal-purifying technologies to neutralise minerals during the colouring process, keeping your shade vibrant for longer.

• Milbon & K18: For structural damage, these professional treatments penetrate deep into the hair core to repair broken bonds and restore that signature silky, weightless Japanese texture.

Quick At-Home Survival Tips

To keep your hair looking fresh between salon visits, try these three steps:

1. Get a shower filter: A filtering shower head is your best first line of defence.

2. Use a clarifying shampoo: Swap your regular shampoo for a clarifying or chelating shampoo once a week to melt away limescale.

3. Always use a leave-in: Hard water leaves your hair cuticles open. Apply a good leave-in treatment or hair oil on damp hair before blow-drying to lock in moisture.

Ready for a Fresh Start?

 Don’t let London’s water dictate your hair days. Whether you need a colour top-up with Wella, a seasonal cut, or a deep-conditioning Milbon treatment, we’re here to rescue your hair.

[Book your next appointment at Assort London here]

💈 Location: 81a Redchurch St, London E2 7DJ

✉️ Instagram: ASSORT LONDON Hair Salon