Kara Jillian Brown is the Beauty Editor of InStyle. She began her career at Well+Good, where she spent five years evolving from Editorial Intern, to News Writer, to Beauty Writer. She earned a ...

Yellow toenails should never be ignored. They're most often caused by a fungal infection that's contagious and hard to eliminate without proper treatment. You can also develop yellow toenails as a ...

What is an ingrown toenail? Ingrown toenails, a condition also known as onychocryptosis, occur when the edge of a toenail cuts into the tissue surrounding it or when the skin around a toe grows ...

White matter and other changes around the toenails and fingernails can occur with psoriasis or nail fungus. However, fungal infections are contagious, and psoriasis is not. The causes and ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Taylor Leamey writes about ...

These Valentine's Day nail ideas work beyond February. From minimalist hearts to chrome finishes, discover ideas for every ...

Having a loose toenail or fingernail can be a troubling symptom, especially if you don't know what caused it. Usually, getting a loose nail is a gradual process that only impacts part of the nail.

Lucy Notarantonio is Newsweek's Senior Lifestyle and Trends Reporter, based in Birmingham, UK. Her focus is trending stories and human interest features ranging from health, pets and travel.