Retinal, a derivative of vitamin A, works in various ways to improve the appearance of your skin. Here’s how to determine how ...

The skin barrier is made from layers of keratin and lipids which prevent harmful molecules from getting into the body.

Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when ...