Hydrocolloid patches help heal pimples by absorbing fluid and keeping bacteria out. Hydrocolloid patches do not work on blackheads, whiteheads, or cystic acne. Some hydrocolloid patches contain ...

It's a beauty technique that's exploding. Depending on your age, you might not have heard of it. It's called micro-needling. In less than a decade, it's expected to become a $1.3 billion industry.