DECIBEL Volumising Treatment for Fine Hair| Backstage Chelsea

07/09/2026

Fine Hair, More Volume: Meet the New DECIBEL Treatment at Backstage Chelsea

If your hair is fine, flat or lacking the volume it once had, you’ll know that creating body can sometimes feel like a full-time job. There’s the blow-drying, the styling products, the humidity that seems to undo everything within minutes – and the frustration of hair that looks flat again by the end of the day.

Now, Backstage Chelsea has a new solution.

We’re delighted to introduce DECIBEL, a high-performance haircare range dedicated to volume, now available exclusively at Backstage Chelsea. 

Designed around a simple three-product system, DECIBEL is all about creating fuller-looking, touchable hair without the need for an overly complicated routine.

And if you want to give your hair an instant volume boost, there’s an even easier place to start: the new DECIBEL Volumising Treatment in Chelsea.

The 5-minute salon upgrade for instant body

Looking for a volumising hair treatment in London that doesn’t require adding another hour to your salon appointment?

The DECIBEL Volumising Treatment is a professional basin treatment that takes just five extra minutes when added to any Backstage Chelsea hair service.

Whether you’re booking a haircut, blow-dry or colour appointment, your stylist can incorporate the treatment into your existing service for an effortless volume upgrade.

Priced at £30, it is designed for clients who want their hair to feel and look fuller without committing to a lengthy treatment.

The DECIBEL technology is centred around the brand’s proprietary 140dB™ Complex, a combination of acids and peptides developed to volumise and visibly thicken individual hair strands. DECIBEL describes the progressive formula as designed to provide lasting volume without the heavy build-up associated with some volumising products.

The result? Hair that feels more substantial, with body and movement that still feels touchable.

Why fine hair can benefit from a volume-focused approach

Fine hair doesn’t necessarily mean you have less hair – individual strands can simply be smaller in diameter, making the hair appear flatter or less dense.

The challenge is finding products that create the appearance of greater body without weighing the hair down.

That’s where having a focused fine hair solution can make a difference. Rather than layering multiple styling products onto the hair, DECIBEL takes a streamlined approach to volume, with three products designed to work together.

Your simple 3-step hair thickening routine

One of the things we love about DECIBEL is its philosophy: three products, three steps, one simple routine for fuller-looking hair.

  1. DECIBEL Thickening Shampoo 

Start with the Thickening Shampoo as the foundation of your routine. It is designed specifically for hair that needs more body and volume, helping prepare the hair for the rest of the DECIBEL system.

  1. DECIBEL Thickening Conditioner 

Follow with the Thickening Conditioner. Fine hair can be tricky to condition because too much product can leave it feeling heavy. DECIBEL’s dedicated conditioner is designed to support the volumising routine while keeping hair manageable, soft and touchable.

  1. DECIBEL At-Home Treatment 

The final step is the At-Home Treatment – also known as the Hypertrophy Thickening and Volumizing Treatment. Designed to complement the salon treatment and daily haircare routine, it helps you maintain that fuller-looking finish between appointments.

Together, the three products create a straightforward hair thickening routine without the need for a bathroom shelf full of volumising products.

DECIBEL’s philosophy is deliberately focused: its three-product system is designed to deliver exceptional results in a simple three-step routine.

Save with the complete DECIBEL volume routine

Want to take your new volume routine home?

For a limited time, the complete three-product DECIBEL Thickening Range is available at £99 instead of £119, giving you all three products in one streamlined routine.

The bundle includes:

  • DECIBEL Thickening Shampoo – £35
  • DECIBEL Thickening Conditioner – £35
  • DECIBEL At-Home Treatment – £49
  • Complete 3-product bundle: £99 (was £119)

It’s an easy way to continue your salon results at home and build a consistent approach to fuller-looking hair.

Discover DECIBEL exclusively at Backstage Chelsea

If fine, flat or thinning-looking hair has become a regular styling frustration, you don’t necessarily need a complicated solution. Sometimes, a smarter, more focused approach is all it takes.

Add the £30 DECIBEL Volumizing Treatment to your next Backstage Chelsea haircut, blow-dry or colour appointment and give your hair just five extra minutes at the basin for a boost of body and volume.

You can also speak to your Backstage stylist about creating your personalised DECIBEL hair thickening routine at home.

DECIBEL is available exclusively at Backstage Chelsea.

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