Rinse the weathered teak with a garden hose to remove any loose dirt or debris.
Apply teak cleaner to a cloth. Rub the cloth over the weathered teak wood, adding more cleaner as needed until the wood is completely saturated.
Scrub the teak wood thoroughly with a bristle brush, and allow the cleaner to sit for 15 minutes.
Rinse the teak wood with a garden hose to remove any cleaner or debris.
Dry the teak wood with a towel.
Apply teak protector to a cloth according to the package instructions. Rub a thin layer over the weathered teak wood, and remove any excess with a clean cloth.