This is a question that perhaps not many people have thought about nor is it worth paying too much thought too. But does anyone know the key difference between creams conataining Potassium/Sodium Hydroxide and those that don't?
I realise that all shaving products even canned goo contain alkaline chemicals which helps with the softening of the skin. Now Sodium and Potasium Hydroxide both have pH's of bang on 14 so it's pretty nasty stuff, as opposed to sodium sterate for example.
Speik cream doesn't contain any Potassium/Sodium Hydroxide whereas Proraso does. I also have some Kappus cream (made in Germany) for Sensitive skin which doesn't either. However it seems that they all contain the Potassium and Sodium Stearate which has a lower pH of around 9-10.
What is the purpose of the Hydroxide does it make it more effective at softening hair? I've read to beware of those chemicals becauase they make your sking go puffy and ruducing the baldes ability to cut close and once the skin calms down you are left with a less superior shave..
If anyone knows anything I'd be keen to hear about it...