Preserves newly tanned leather for life with one application.  It is brushed onto wet leather immediately after tanning and allowed to dry in.  The special chemical action prevents the leather from drying stiff and allows "breaking" with a Fleshing Knife to soften the leather.  I use this on all my home tanning projects.

Skins treated this way cannot be later damaged with water. It is even safe to machine wash the leather should ever become dirty and need cleaning. No other leather dressings or preservers needed.