Daily Care: Less Is More
The most important principle in caring for unlacquered brass is restraint. The metal is robust — it will not corrode, rust, or structurally degrade under normal household conditions. What it will do is respond to whatever you put on it, so the goal of daily care is simply to keep harsh chemicals and abrasives away from the surface.
After each use, a quick wipe with a soft, dry cloth is all that is needed to prevent water spots from forming. Hard water, in particular, can leave mineral deposits on brass that, if left for weeks, become more difficult to remove without disturbing the patina. A microfibre cloth kept near the sink makes this a two-second habit rather than a chore.
Weekly Cleaning
Once a week, or whenever the fixture looks dull or spotted, clean it with warm water and a small amount of mild dish soap. Apply the solution with a soft cloth, wipe gently in the direction of any surface grain, then rinse thoroughly with clean water and dry immediately. The drying step is important — leaving water to evaporate on the surface can accelerate patina formation in uneven patterns.
Never use the following on unlacquered brass: bleach, ammonia-based cleaners, vinegar (except in very diluted form for specific restoration purposes), steel wool, abrasive scouring pads, or any cleaner marketed as a disinfectant spray. These will strip the surface, create uneven discolouration, and potentially damage the underlying metal.
Managing the Patina
The patina on unlacquered brass is not dirt — it is the natural oxidation of the metal surface, and it is what gives the material its character. You have three options for managing it: embrace it, slow it, or periodically reset it.
To embrace the patina, simply clean the fixture as described above and allow the darkening to proceed naturally. Most people find that after an initial period of adjustment, they come to love the depth and warmth of a well-developed patina.
To slow the patina, apply a thin coat of Renaissance Wax (available from conservation supply shops) or a similar microcrystalline wax every three to six months. Buff it to a light sheen with a soft cloth. This creates a thin barrier between the metal and the atmosphere, significantly slowing oxidation without the brittleness and peeling risk of lacquer.
To reset the patina — returning the fixture toward its original bright, warm gold — use a commercial brass polish such as Brasso or Wright's Brass Polish. Apply a small amount to a soft cloth, rub gently in circular motions, then rinse thoroughly and dry. Be aware that polishing will remove the patina you have developed, so only do this if you genuinely want to start the aging process again from scratch.
Dealing with Green Spots
Occasionally, unlacquered brass in humid environments will develop small green spots — a form of verdigris, which is copper carbonate. This is more common in bathrooms with poor ventilation or in fixtures that are frequently wet and rarely dried. Verdigris is not harmful to the metal, but many people prefer to remove it for aesthetic reasons.
To remove verdigris, make a paste of equal parts flour, salt, and white vinegar. Apply it to the affected area with a soft cloth, leave for ten minutes, then rinse thoroughly with warm water and dry immediately. For stubborn spots, a commercial brass cleaner will work more quickly. After removing verdigris, consider improving ventilation in the space to prevent recurrence.
Long-Term Care
Unlacquered brass is one of the most durable finish options available for hardware. Unlike chrome, which can chip and pit; or oil-rubbed bronze, which is often a coating over a base metal; solid unlacquered brass is the same material all the way through. A scratch on the surface is simply a scratch in the metal — it will patina over time and become part of the piece's character.
With basic care, a solid brass fixture will last generations. Many of the most beautiful examples of aged brass hardware in the world are pieces that are fifty, a hundred, or even two hundred years old — still functional, still beautiful, still telling the story of the hands that have touched them over the decades.