Experts always say to moisturize your delicate eye area to prevent aging signs. so does using powder eyeshadow daily contribute to wrinkles and crepey?

Eye wrinkles: 1st. You don't prevent aging signs. You delay them with moisturizers, because dryness helps alter the collagen that support that delicate skin, thus wrinkles appear. Powders or powder based eye cosmetics, can block perspiration in the area, an effective detoxifier (perspiration). Free radicals then accumulate in the cells of the skin. So, in short yes powder eyeshadow may contribute to wrinkles.

No: Prior using your eye shadow be sure to use some form of moisturizer around your eyes to prevent wrinkles. But eye shadow powder do not cause or contribute to wrinkles.