How do I maintain the red finish on a ninja steel sword over time?
Updated Feb 2026
Maintaining the red finish on a ninja steel sword requires protecting both the surface treatment on the blade and the scabbard finish while keeping the underlying carbon steel blade properly oiled against oxidation. For the red blade coating, the most important care principle is to avoid abrasion, which can scratch or chip the surface treatment. When handling the blade, use a soft cloth rather than bare hands and avoid contact with hard surfaces. After handling, wipe the blade surface gently with a soft lint-free cloth to remove fingerprints. Apply a very thin coat of camellia oil or mineral oil to the blade and buff away any excess - this protects the underlying steel from oxidation while generally being compatible with most blade coating treatments. For the red scabbard finish, wipe clean with a dry soft cloth when dusty and avoid solvent-based cleaners that could affect the lacquer. Store the sword on an open display rack or in its scabbard in a low-humidity environment. With careful handling and this simple maintenance routine, the red finish will remain vibrant and consistent for years of display use.