The demand for, and use of, the best hair, skin, and nail vitamins (a.k.a. HSNs) has skyrocketed in recent years, according to a 2023 survey published by the Journal of the American Academy of ...

Your shower water might be the reason for your bad hair day. Hard water — water that is high in calcium and magnesium — is common throughout the US. While it isn’t a health concern, it can negatively ...

While there are many products that aim to promote hair, skin, and nail health, there is limited scientific evidence of their effectiveness. Here, we discuss our top picks from trusted brands. This ...