In economics, the utility function measures the welfare or satisfaction of a consumer as a function of the consumption of real goods, such as food or clothing. Utility function is widely used in ...

However, when you buy something through our retail links, Condé Nast may earn an affiliate commission.The best face serums ...

“It’s truly one of the most versatile ingredients we have,” explains board-certified dermatologist Dhaval Bhanusali, M.D.

Keeping your skin hydrated should be your number one beauty priority. Doing so doesn’t just ward off dryness—it also prevents ...

First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, Zhejiang University School of Medicine, Hangzhou 310058, China ...

This lightweight serum absorbs easily and strengthens the skin's barrier function, leaving your skin healthy and hydrated. Aqua (Water), Butylene Glycol, Almond Oil PEG-8, Esters, Rosa Damascena ...

My grandmothers have some of the best skin I’ve seen — at ages 79 and 81, they’ve maintained a smooth, plump visage. It makes me excited to get older knowing that that’s what I have to ...

It’s creamy without irritating my dry and sensitive skin and I love how it includes five-star ingredients like vitamin C, bakuchiol, squalane and hyaluronic acid. From protecting your skin from ...

In the rarefied world of luxury skincare, science has become the new gold standard. Find out the science that lies behind the ...

Formulated with antioxidants like vitamin C and bakuchiol, this serum may help ... and boost skin barrier function, enhancing overall radiance. Incorporating the right serum can visibly improve ...