We Are
Haircare,
Dedicated to
Volume.

decibelhairuk
Our Mission

Blending Science,
Sound &
Self-Expression

We blend science, sound and self-expression in a brand purely dedicated to the hair volume category. Our inaugural product addresses one of the globe's largest hair concerns, semi-permanently thickening the cortex of every strand.

The Science

Proprietary Technology

An advanced, proprietary composition of specific acids and peptides shown to volumise and visibly thicken each individual hair strand. A progressive, no build-up formula that works better after every use.

Colour safe
No build-up
Improves dry time
Detangles
Heat protect
Progressive formula
74%
Increase in hair thickness & volume
20+
Washes of lasting results
#1
World's first thickening service

How It Works

1

In-Salon Treatment

Hypertrophy Pro. Treatment applied at the basin. Just 5 minutes for fuller, thicker, more voluminous hair.

2

140dB™ Complex Activates

Acids and peptides penetrate the cortex, thickening each strand from within.

3

Maintain at Home

Hypertrophy at-home treatment sustains and builds on results, a progressive formula that works better after every use.

Never done before

The world's first service to thicken the cortex of the hair strand.

Gets better with use

Progressive, no build-up formula. Results compound the more you use it.

Colour safe

Works for every client. Colour safe, protects, detangles, and improves dry time.