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 ...

Patch testing describes a procedure to help identify what ingredients might irritate a person’s skin. Many skin care products contain chemicals that can cause an allergic reaction when a person ...

Réven Smalls Widener is a former behavioral health professional with 3 years of experience educating and supporting patients dealing with chronic pain. As an intern then a psychometrist and counseling ...

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

There are several tests that can help you determine your real skin type, such as the day test or the wash test. A dermatologist can also examine your skin and recommend products that work with it ...