Yes. Cedar shoe trees help reduce shoe odor because natural cedar wood absorbs moisture from inside the shoe. Since odor is mainly caused by bacteria growing in damp environments, keeping shoes dry significantly reduces unpleasant smells. Cedar wood also has a natural fresh scent that helps neutralize odor over time.

Shoe trees do not significantly stretch shoes. Their main purpose is to maintain the shoe’s original shape and prevent creasing. However, adjustable shoe trees or shoe stretchers can gently expand tight areas over time, especially in leather shoes, but they are not a fast or aggressive stretching tool.

Yes, shoe trees can be used for sneakers, especially high-quality cedar shoe trees. They help maintain shape, absorb moisture, and reduce odor after wear. However, they are most effective in structured sneakers rather than very soft or knit-style shoes.

Shoe trees should ideally stay in shoes for at least 24 hours after wearing them. This allows enough time for moisture to be absorbed and the shoe to fully regain its shape. For regular use, it’s best to insert them immediately after taking off your shoes and leave them until the next wear.