It is THE buzzword in beauty. Retinol has long been known as a magic skincare ingredient – a kind of time machine for your skin. If used properly, it can reduce and soften the appearance of fine lines and wrinkles, improve skin texture, enhance brightness and even reduce acne. But some people experience side effects like redness, irritation and dry, flaky skin. Dr. Dendy Engelman, an award-winning and board-certified dermatologist, joins us with what we need to know about retinol and what too many of us don’t. For more information visit elizabetharden.com