There's a special kind of heartbreak that comes from watching someone take a beautiful piece of vintage furniture with sixty years of character and attack it with a power sander because they wanted it to "look new."
Don't be that person.
Caring for vintage furniture is not the same as restoring it, and the difference matters — both for your enjoyment of the piece and for its value. Over-restoration is one of the most common and most costly mistakes collectors make, and it's almost always irreversible.
Here's how to take care of your vintage pieces the right way.
First principle: patina is not dirt
This is the most important thing to understand, and the thing most people get wrong.
Patina — the gentle darkening of wood, the warm oxidation of brass, the soft wearing of leather, the subtle changes that happen to materials over decades of use — is desirable. It's what gives vintage furniture its soul. It's the physical record of a life lived, and serious collectors and dealers value it highly.
Dirt, on the other hand, is just dirt. And the line between the two is important.
Cleaning a piece of vintage furniture means removing accumulated grime, dust, and surface dirt while preserving the patina underneath. It does not mean stripping it back to raw material and starting over. Think of it as washing your face versus getting a facelift.

Wood furniture
Regular dusting. Use a soft, dry cloth. Microfiber works well. Dust regularly to prevent buildup. This is the single most important maintenance step and the most frequently skipped.
Cleaning. For a deeper clean, use a slightly damp cloth (not wet — damp) with a tiny amount of mild soap. Wipe in the direction of the grain. Follow immediately with a dry cloth. Do this a few times a year, or when the surface feels dull.
Feeding the wood. Vintage wood furniture benefits from occasional feeding with a quality furniture wax or oil. For oiled finishes (common on Scandinavian teak and walnut), use teak oil or Danish oil applied sparingly with a soft cloth. For lacquered or French-polished surfaces, use a good paste wax. Apply thin layers and buff gently.
What NOT to do. Do not use commercial spray polishes (they build up a sticky residue over time). Do not use water directly on the surface. Do not place the piece in direct sunlight — UV exposure fades and damages wood finishes. Do not use silicone-based products — they create a barrier that's nearly impossible to remove and interferes with future restoration.

Brass and metal
Embrace the oxidation. Oxidized brass has a warm, golden-brown tone that most collectors prefer over shiny polished brass. Unless you specifically want a mirror finish, leave the patina alone.
Light cleaning. For routine maintenance, a soft cloth slightly dampened with warm water is sufficient. For brass that's genuinely grimy (not just patinated), a paste of lemon juice and baking soda applied gently and rinsed quickly will clean without stripping all the patina. Test on an inconspicuous area first.
Chrome and steel. Clean with a soft damp cloth. For stubborn spots, a tiny amount of white vinegar works well. Avoid abrasive cleaners on any plated metal — you'll wear through the plating.

Leather and upholstery
Leather. Dust regularly with a soft cloth. Condition twice a year with a quality leather conditioner — this prevents cracking and keeps the leather supple. Keep leather away from direct heat sources and sunlight. For vintage leather, avoid harsh cleaners; a damp cloth and leather-specific soap is all you need.
Original fabric. If a piece retains its original upholstery and the fabric is in reasonable condition, preserve it. Original fabric adds significant value to vintage pieces. Vacuum gently with an upholstery attachment. Spot-clean carefully with appropriate fabric cleaner. If the fabric is badly deteriorated, consult a professional upholsterer who specializes in vintage furniture before making any decisions.
Re-upholstery. If re-upholstering is necessary, choose fabric that's appropriate to the piece's era and style. Keep the original fabric if possible (stored safely) — future owners may want the option of re-covering with period-accurate material.

Glass (including Murano)
Dust regularly. Use a soft, lint-free cloth. For glass lighting fixtures, remove dust before it bakes onto the surface from the heat of the bulb.
Cleaning. Warm water with a drop of dish soap, applied with a soft cloth. Rinse with clean water. Dry immediately. For Murano glass or any art glass, never use glass cleaner sprays — the chemicals can damage or cloud certain types of glass.
Handling. Always support glass pieces from the base, never by protruding elements. Murano glass is particularly fragile at joints and where different pieces of glass meet.
The restoration question
Sometimes a piece does need professional restoration — a broken joint, a cracked veneer, structural damage that affects usability. When that's the case, find a restorer who specializes in vintage furniture and who understands the difference between restoration and renovation.
Good restoration is invisible. It fixes what's broken while preserving everything that isn't. Bad restoration is visible — and worse, irreversible.
Before authorizing any restoration work, ask to see examples of similar projects. Ask specifically about their approach to patina. And get a clear agreement on the scope of work before anyone touches the piece.

The honest truth
The best way to care for vintage furniture is to use it. Sit in the chairs. Eat at the table. Turn on the lamp. These pieces were designed to be lived with, not preserved under glass.
Use them thoughtfully, maintain them regularly, and resist the urge to "improve" them. The beauty of vintage furniture is in its history — and your job as its current custodian is to add to that history, not erase it.