The hairbrush company associated with Dragon's Den inventor Shaun Pulfrey is Tangle Teezer.
Pulfrey developed the original brush after working in hairdressing and observing how conventional brushes could pull and damage tangled hair. The design uses flexible teeth intended to separate tangles rather than forcing a rigid brush through them.
After the Dragon's Den appearance and subsequent commercial development, Tangle Teezer expanded beyond its original British market. The company introduced several brush designs for different hair types and uses, while retaining the central detangling concept.
The name is sometimes mistaken for the name of the television pitch or for another beauty brand. Tangle Teezer is the company and product brand; Shaun Pulfrey is the inventor associated with it. This distinction matters because the show featured many products whose brand names differed from their creators' names.