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, 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.