Which mineral is essential for the maintenance of healthy skin, hair, and nails?

A Copper
B Zinc ✓
C Selenium
D Molybdenum

Explanation

Zinc is an essential mineral that plays a crucial role in maintaining healthy skin, hair, and nails, as well as supporting immune function and wound healing.

Source

National Institutes of Health (NIH)
Minerals and Trace Elements Nutrition and Biochemistry Zinc Easy MEDICAL Confidence: high