Expert Report

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Summary of the expert report of 19 March 1997 on the therapeutic effect of the so-called hot scissors and the hot blade of THERA-cut-Hairtechnik GmbH (today: Jaguar TC).

Out of 80 samples of all types of hair which are known to us both in and outside Europe, 98% of the hair cut with the THERA-cut scissors or the THERA-cut blade showed a significant improvement.

The THERA-cut treatment means protection and an increase in the quality of the hair.


The samples of hair that have been cut applying THERA-cut show a neat and exact cutting surface. Thanks to the simultaneous absolute sealing, neither hydrocarbon nor acids and environmental gases can affect the cutting surface.
Thus, the continuum-mass in the hair's interior remains smooth and efficient, so that it can bind the cuticle layer (cuticula rings) to the fibre layer (cortex).

The hair is well-groomed and has a natural shine.

What is more, the intact continuum-mass that remains in the hair like a glue is able to fulfil its task of bringing about the recovery of the hair. The disintegration of the disulphide bridges is prevented.

The hair is more elastic and firm to the touch, hairstyles thus last longer.

Proof: Classification method, load extension according to Prof. Hirsch. Above-average values are obtained, the sealing remains intact even after several treatments and washing procedures.
Pictures very exactly and clearly show the sealing of the hair when using THERA-cut scissors or blades, but also the injuries caused by other scissors or blades.

The THERA-cut technique of cutting hair means a unique opportunity for the hairdresser to create a positive effect on the hair.

I have compiled this expert report in terms with my capacity of sworn expert to the best of my knowledge and belief, measured the cross-sections of the hair, personally supervised the images produced by means of scanning microscopy and carried out the load-extension tests myself.

Karl Bergrath
Publicly appointed and sworn expert of the Cologne Trade Cooperation (Handwerkskammer zu Köln) for the hairdressing industry



Cutting surface after cutting
with traditional scissors

Sealed cutting surface after
cutting with THERA-cut
(Jaguar TC)

Cutting surface
after cutting with
a traditional razor

Sealed cutting surface
after using a THERA-cut
(Jaguar TC) razor


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