Does exercise affect you skin?

Yes. Exercise helps boost the body's metabolism and ability to process and rid itself of toxins and increase oxygenation of cells which makes the skin look healthier and more vital.
Yes, usually. Most exercise is healthy for you and usually increases or improves the circulation. This can make the skin healthier. Also, sometimes too much exercise can cause blisters if the skin gets too much stress.
More information. Needed to answer question. Be as specific as possible.