In 2004, more than 3 million Americans had their wrinkles smoothed with Botox. More than 1 million had their sagging areas plumped with collagen fillers. Today, more than ever, anti-aging procedures have never been so accessible and convenient.

So what’s the buzz on Botox? How safe are collagen fillers? Who should inject these to you?

Among common adverse reactions of Botox are bruising, pain and swelling around injection sites, and weakness of adjacent muscles, but all these are transient. When an unqualified person, however, administers the injections, you’re at greater risk for adverse reactions due to improper use. And these can last for several months.

(Continue to Part 2)