Our beauty team rounded up the best Black Friday and Cyber Monday deals on our favorite products. Here are the best hair-care ...

As with any acid, overuse or combining it with other harsh acids can lead to skin irritation. “Using glycolic acid in high ...

Dr. King calls this gel cream moisturizer "perfect" for dry skin. You can thank a number of ingredients for that. "It ...

Peptide serums help to tighten, brighten, and hydrate skin with routine use. We tested and reviewed the best ones and asked ...

Skin is a barrier meant to keep small invaders out. Products making their way across it should boost that mission.

“Look for retinol, vitamin C, peptides or niacinamide, CoQ10 and polyphenols,” advises Debra Jaliman, M.D., a board-certified ...

The gut microbiota is the complex and dynamic community of bacteria, fungi, parasites, and viruses that enter into a ...

Amazon is rolling out its Black Friday deals earlier than usual, and the beauty discounts are already stacking up. To help you narrow down the best deals, REAL SIMPLE spoke with Dr. Marissa Garshick, ...

“Mature skin is often drier, so apply a good quality, fragrance-free moisturizer daily to trap water and keep skin hydrated,” ...