Topical vitamin C and retinol both provide anti-aging benefits to your skin, and combining them may compound their effects, ...

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 ...

Marketing claims from the supplement industry often make us feel like we have to regularly take vitamins, but that isn’t ...

As a fitness professional, most of my clients share something in common; they want to look and feel good. However, many of our best efforts to look amazing inadvertently damage the skin and advance ...

Vitamin C serum for oily skin helps control excess oil, fade acne marks, and boost glow. Discover its benefits, how to use it correctly, and key ingredients to look for.

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 one of the best ways to improve the appearance of your skin and while you can use it all year round, the cooler months are a great time to add a Vitamin C serum into your skincare routine ...

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 ...

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.