Can spf actually damage your skin in turn causing wrinkles?

Nope: Sun damage increases unsightly wrinkles not to mention skin cancer. Sunscreen is your friend - cancer in not. http://edition.cnn.com/2013/06/04/health/sunscreen-aging/

Possibly: Most SPF skin products contain a lot of dangerous chemicals. The best way to protect your skin is using a protective clothing such as a cotton full sleeved shirt, hat. Vitamin D (sunshine vitamin) actually prevents dangerous skin cancers. Read this article: http://www.foxnews.com/story/2005/05/24/scientists-say-sunshine-may-prevent-cancer.html