I have had a number of people asking me about this recently.

This is what one website says:
http://www.hairremovalcentre.co.uk/alkaline-wash/frequently-asked-questions.html

They say it is only suitable for fine, downy hair.

To me, it sounds like hair removal cream. They claim it has a damaging effect on the follicle.

Does anyone know more about it or can provide some insight to how they claim it works and whether it's really possible to weaken follicles with it?

When people ask me if it's worth doing, I want to be able to confidently say no!
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31/F/UK
Laser for reduction on Underarms, Bikini, Full Legs & 3/4 Arms. Skin type IV
Electrolysis - Further details in: My sister's electrolysis diary
[27hrs of Blend, April 2008-Dec 2010 in UK, for coarse hair on lower sideburns, coarse chin hair, completed upper lip, shaped eyebrows]
[Sept 2011 to date, once yearly sessions with Josefa. Completed reduction of facial/neck fuzz in approx 27 hrs TTT]