Shavex Travel Size Alum Bloc
Shavex are a popular male grooming brand specialising in creating alum blocs made from naturally occurring potassium aluminium sulphate (as opposed to synthetically derived ammonium aluminium sulphate).
Its astringent and antiseptic properties make it perfect for instantly sealing cuts and soothing the skin post-shave. It can also be used as a natural deodorant that neutralises odour-causing bacteria.
Comes in a convenient plastic case for easy storage.
An essential item in any wet shavers arsenal. Not just for correcting mistakes, it can also be used to hone your technique by identifying areas where you're applying too much pressure.