THERE IS NO shortage of hair products that can help smooth frizz, add shine, or make hair look fuller. But not many can say they do all three — especially long-term. A popular in-salon hair treatment, ...

“Botox in a bottle” has become the buzzy nickname for topical wrinkle fillers and powerful anti-aging serums that promise youthful-looking skin, plus it's one of the best alternatives to in-office ...

You may opt for hair Botox, which uses keratin and collagen to repair damaged hair and temporarily make it smoother. This treatment is ideal for people with damaged hair from heat styling, coloring, ...

You respect anyone who wants to get Botox (or other injectables, like fillers), but you’re not there yet yourself. Maybe you’ll never get there because you can’t deal with needles, or the price tag ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. A markup is the difference between a ...