The Safety Razor is a historical item which can be found by Emile in Reims during Chapter 1.
Location[]
After solving the lift/lever puzzle in the right-hand building, find this item by opening the cupboard near the lever.
Description[]
"The safety razor was an early 20th century invention, and shaved more safely than barbers' blades. In 1917, safety razors were standard issue in US soldiers' kit, because it had been noticed that gas masks provided more effective protection to shaved faces."