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, ...

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, ...

Botox can cause temporary redness, swelling, tenderness, or bruising at the injection site. You may get flu-like symptoms like fever, body aches, or nausea after Botox. Botox may cause headaches, ...