Medically reviewed by Susan Bard, MD Use vitamin C in the morning and retinol at night to avoid skin irritation.Vitamin C ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. “I usually ...

Summer can be tricky to manage your skin. One day it looks fresh and glowy, the next it feels oily, dull, or uneven despite the same routine. Heat, sweat, sun exposure, and pollution are common ...

Vitamin C helps reduce dark spots by inhibiting melanin production and improving skin tone and radiance. For optimal results, use serums that deliver water-soluble vitamin C into the skin. Vitamin C ...

Vitamin C is an essential ingredient in our daily food intake. The vitamin– which can be found in citrus fruits, like lemons– helps the body produce collagen, boosts the immune system, and more. But ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Retinol is a derivative of vitamin A that's often used in skincare products to stimulate collagen ...

Discover delicious, vitamin-rich Butternut Squash Pasta that is both anti-inflammatory and immune-boosting.

A 2017 review of research notes that vitamin C may cause minor skin irritation in concentrations above 20%. Because of this, its concentration often ranges between 10% and 20% in skin care products.

Medically reviewed by Erika Prouty, PharmD Key Takeaways Magnesium helps support energy production by activating ...

Vitamin C is one of the best ingredients for achieving beautiful, healthy skin. It is especially important for those with Indian skin, who can suffer from increased pigmentation, dullness and ...

Is it dangerous to consume too much vitamin C? Not really. “A genuine overdose of vitamin C is unlikely,” says Gürtler. “It’s water-soluble and the body cannot store excess amounts; the excess is just ...