It turns out that less is more when it comes to denim.Credit: Kinga Krzeminska/GettyKey TakeawaysWashing jeans less often—about every 10 to 12 wears—or when they start to smell—helps maintain their fit, color, and overall longevity.Proper denim care includes turning jeans inside out, using cold water, and skipping the dryer to prevent damage and fading.Spot cleaning, airing out, and storing jeans by hanging can extend their life between washes a…