The provided context from the YouTube links did not contain specific information on how to refurbish a leather couch. Therefore, this answer is based on general expert knowledge of leather care and restoration.
Refurbishing a leather couch is a multi-step process that can dramatically restore its appearance and extend its life. The first and most critical step is a thorough cleaning. Use a high-quality leather cleaner specifically designed for upholstery to remove accumulated dirt, body oils, and grime from the surface. Apply the cleaner with a soft cloth or sponge, working in sections, and use a soft-bristle brush to gently scrub textured areas. Wipe away any excess cleaner and allow the couch to dry completely.
Once the couch is clean, you can address any surface damage. For minor scratches and light fading, a leather recoloring balm can often be sufficient. This product is applied with a cloth and worked into the leather to restore color and conceal scuffs. For deeper cracks or small holes, a heavy filler or leather repair compound is required. Apply the filler in thin layers, letting each layer dry before adding the next, until the damage is level with the surrounding surface. Lightly sand the dried filler with very fine-grit sandpaper to ensure a smooth finish.
After repairs are complete, the next phase is color restoration. If the original color is significantly faded or if you've used filler, you will need to re-dye the leather. Begin by wiping the surface with a leather preparer or deglazer to remove the original factory finish, which allows the new dye to adhere properly. Apply the leather colorant in several thin, even coats using a sponge or an airbrush for the most professional result. Allow adequate drying time between each coat. Once the final color coat is fully cured, apply a leather sealant or finisher. This topcoat protects the new color, provides a durable finish, and determines the final sheen. Finally, apply a quality leather conditioner to restore moisture and flexibility to the material, keeping it soft and preventing future cracking.
