Sort of a "rash" on my forehead?!

At some point during the day yesterday I developed sort of a rash right in the middle of my forehead!. Its just a smattering of little clear bumps, but I can't figure out when or why it happened!. I haven't used any strange facial products or makeup, and it seemed to appear in the middle of the day because it wasnt there in the morning when I showered and put on makeup, but when I got home at night, it was just there!. And it has been there all day today, too!. It doesn't itch and its not red, but I hate all the little clear bumps!. Does anyone have any ideas on what may have caused this and what I can do to make it go away!?Www@Answer-Health@Com

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