Why does my skin look like this and what can I do to improve it?

Skin care is a pretty big deal, and we love subs like /r/SkinCareAddiction, however we felt there needed to be a sub that deals specifically with skin that's over 30. Share your questions, frustrations and triumphs!
Why does my skin look like this and what can I do to improve it?

Skin care is a pretty big deal, and we love subs like /r/SkinCareAddiction, however we felt there needed to be a sub that deals specifically with skin that's over 30. Share your questions, frustrations and triumphs!
4 year old got this while in the pool? Please help identify

Subreddit dedicated to suspected bug bites.