Hydration is the quiet foundation of healthy, resilient skin, yet it is one of the most misunderstood aspects of skincare. Many people assume dryness is the only sign of dehydration, but skin can feel ...

In vitro skin irritation testing has emerged as a critical component in the safety evaluation of chemicals and medical devices, aiming to replace traditional animal-based assays. Central to this ...

When you press down on your skin for a few seconds and move your finger away, does that area of skin look lighter before it returns to its normal color? This is called blanching. Some social media ...

Skin barrier health has become one of the biggest beauty topics of the year, with countless products promising to “repair” ...

Dr. Jones answers the question: 'What Do Skin, RAST Test Results Mean?' — -- Question: What do positive and negative skin or RAST tests mean? Answer: In order to diagnose a child or an adult with ...

Diagnosis of Parkinson’s disease isn’t a straightforward undertaking, with physicians leaning on a combination of symptoms, clinical signs and examinations to reach their verdict. We are seeing some ...

This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...