Plain English Meaning

A hand-cleaning product you rub on dirty hands and wipe off with a rag — no sink or running water needed. It cuts through greasy stuff like oil and hydraulic fluid that regular soap struggles with.

Full Definition

A solvent-based cleaning product designed to remove oil, grease, hydraulic fluid, and similar contaminants from skin without the use of water. In aviation maintenance contexts, it is the recommended method for removing hydraulic fluid (such as Skydrol) from skin promptly after contact, before washing with soap and water.

Context Anchor

Seen in aircraft maintenance and hydraulic fluid safety discussions, especially after handling or contacting hydraulic fluid.

Why Pilots Care

Certain hydraulic fluids irritate or damage skin on contact; immediate removal prevents injury during line or .