986 Forum - The Community for Porsche Boxster & Cayman Owners

a soft (non brass) suede brush should be fine.

for more details here:

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HOW DO I CLEAN IT?
Its important to understand Alcantara does not respond well to most chemical cleaners, as a matter of fact, many chemical cleaners will actually discolor or change the texture of the material permanently ruining the benefit of having such a nice material on the interior surfaces of a vehicle.

Daily cleaning and regular maintenance - I recommend the use of a medium-soft bristled brush, like the Adam’s Interior Brush or similar, to essentially fluff and renew the material. As you sit on the seat the material will become matted or tired looking, a quick brushing will revive the material and bring it back to life. Be sure to vacuum first to remove and debris then brush in both directions. In the event you do not have a brush a clean, dry, lint free, microfiber towel will work.

For a more thorough cleaning - Start with a clean, lint free, microfiber towel and spray a light mist of Adam's Carpet & Upholstery Cleaner or similar non-soap cleaner onto the towel. Gently wipe at any soiled areas or wipe the entire surface if its been awhile since the previous cleaning. NEVER SPRAY THE CLEANER DIRETLY ONTO THE ALCANTARA!! Flip the towel to a clean side and repeat as needed.

After the surface has been cleaned use a 2nd, dry, lint free, microfiber towel to remove any moisture and follow with a brush to re-fluff the material. Its important not to use too much product, a very light misting of cleaner onto the towel is all thats needed.

BUT WHAT IF I HAVE STAINS?

Prevention of stains is the most important thing to keeping an Alcantara surface clean, but accidents happen. In the event you do spill something or do notice a discolored spot the sooner you act the better. The longer a stain is allowed to sit the less likely you'll be able to remove it.

In the event you do get a stain, act quickly (within 30 minutes) and begin treating the stain from the outside edge into the center in order to avoid
the stain spreading. Never pour a cleaning product directly onto Alcantara!!

from here : Cleaning Alcantara (faux suede)