Hair salons and barbershops need water treatment because water touches every service, from the backwash basin to towel laundry. In hard water areas, minerals stop shampoo lathering properly, leave a film on hair, and scale up water heaters and washing machines. Softening and filtration help products work as they should and keep equipment running.

Why water quality matters in a salon

Shampoo, conditioner and lather

Hard water carries dissolved calcium and magnesium. Those minerals react with the cleaning agents in shampoo, so it lathers less and rinses out less cleanly. The result is that stylists use more product to get the same wash, and some of the minerals stay behind on the hair. In softened water, shampoo lathers easily and rinses clean, so product goes further.

Colour and chemical services

Mineral film left on the hair by hard water can make hair look dull and feel coarse, and many stylists find colour and chemical treatments give more consistent results when hair is washed in softened water. If you work in a hard water area and see uneven or short-lived colour results, your water is worth testing.

Chlorine at the basin

Mains water is disinfected with chlorine to keep it safe in the pipes. Clients notice the smell, and chlorine is often blamed for drying hair out. Activated carbon filtration reduces chlorine taste and odour, either across the whole supply or at the point of use.

Water heaters, basins and towel laundry

Salons run hot water all day. When hard water is heated, limescale settles on elements and inside water heaters and combi boilers, which wastes energy and leads to breakdowns. It also marks basins and mixer taps, and in a busy salon washing machine it stiffens towels and scales the heating element. Softened water deals with all three.

Which treatment does which job?

Area Main problem What helps
Backwash basins Poor lather, mineral film, marked basins A water softener on the salon supply. Small salons can use a compact unit such as the Wrekin Water ECO Mini 4L, while busier sites suit a commercial cabinet softener
Chlorine smell and taste Chlorine at the basin and in drinks Whole-supply carbon filtration or point-of-use drinking water filters
Water heaters and combi boilers Scale on elements and heat exchangers A water softener, or an electronic scale conditioner where a softener is not practical
Towel laundry Stiff towels, scaled machines Softened water, or an inline Dosal polyphosphate scale inhibitor on the machine feed

If you serve clients coffee or tea, see our guide to water treatment for cafés and bars for drinks equipment.

Rules worth knowing

  • Backwash basin sprays: Hand-held sprays and shower hoses can draw used water back into the mains if the head drops into a full basin. Under the Water Supply (Water Fittings) Regulations 1999, they need either a fixed gap above the basin or suitable backflow protection. Water Regs UK explains this in its guidance on shower backflow protection.

  • Salon washing machines: Water Regs UK notes that washing machines in commercial premises carry a higher backflow risk than the same machine at home. See its guidance on plumbing in appliances.

  • Legionella: Any business with hot water systems and showers has a duty to assess the Legionella risk. HSE sets this out in its Approved Code of Practice, L8.

How to choose the right setup

  1. Test your water hardness. Use a water hardness test kit or our guide on how hard is my water?

  2. Count your basins and estimate busy-day use. The number of basins, wash services per day and whether you run a washing machine on site decide the softener size.

  3. Check your space. Compact softeners fit under a basin or in a small cupboard; larger cabinet units need a little more room near the incoming main.

  4. Ask us if you are unsure. Send us your hardness reading and salon details and we will recommend a setup to suit.

Why buy from Wrekin Water

Wrekin Water is a family run company based in Bettisfield, Shropshire. We have served more than 50,000 customers over 15 years and are rated Excellent on Trustpilot. We stock Pentair Fleck, Autotrol, Clack, Kinetico and other major brands, so replacement parts are easy to source for years to come. Find out more about why customers buy from us.

Get the right water for your salon

Send us your water hardness reading and a few details about your salon, and we will recommend a setup that fits. Contact the Wrekin Water team or shop water softeners.

Frequently asked questions

In hard water areas, most salons benefit from one. Hardness minerals stop shampoo lathering properly, leave a film on hair, mark basins and scale up water heaters and washing machines. A softener removes the calcium and magnesium responsible. Test your water hardness first, as a softener adds little in soft water areas.

Hard water can leave a mineral film on hair that makes it look dull and feel coarse, and many stylists find colour and chemical treatments give more consistent results on hair washed in softened water. If you see uneven or short-lived colour results in a hard water area, test your water.

Usually, yes. Hardness minerals react with the cleaning agents in shampoo and reduce lather, so stylists use more to get the same wash. In softened water, shampoo lathers easily and rinses clean, so product tends to go further.

Activated carbon filtration reduces chlorine taste and odour. It can be fitted to treat the whole salon supply or at individual points of use, and it needs sizing to the flow rate your basins draw at busy times.

Under the Water Supply (Water Fittings) Regulations 1999, hand-held sprays and shower hoses must either keep a fixed gap above the basin or be fitted with suitable backflow protection, so used water cannot be drawn back into the mains. Water Regs UK publishes guidance on this, and your installer or water supplier can confirm what your basins need.