どんな革も100年持つオイルの真実｜靴業界が知られたくない事実

A small amount of neatsfoot oil, costing just 300 yen, can protect leather for decades. It deeply penetrates collagen fibers, maintaining flexibility, durability, and water resistance. This method has been proven effective by the military, craftsmen, and conservation science since the 15th century, whereas many expensive modern care products are merely surface treatments or diluted ingredients (see: Conservation Science/Cultural Heritage Restoration Research). The correct cleaning, application, and maintenance procedures are also explained. This video utilizes AI tools for improved clarity, but the content has been verified by humans, and images are for illustrative purposes only. #LeatherCare #NeatsfootOil #LeatherMaintenance #SavingTips #LongLasting