The campaign, “Beauty Sleep Dupe,” touts Estée Lauder’s Advanced Night Repair serum. Rather than duping a product, though, ...

Get the latest beauty news and updates from PEOPLE.com, including must-try trends, celebrity skin care routines and editors' product picks. Gabrielle Union Has So Many Fenty Beauty Lip Glosses ...

For every beauty dilemma, there's a product that's claimed to solve it ... She studied the effectiveness of pictures used in weight-loss ads. "Even when the overweight person in the before ...

Numerous types of businesses use market segmentation to optimize their ability to sell to a wide variety of consumers, including skincare, haircare, and beauty product manufacturers, car companies ...