Golden Globe Awards attendees received a $1 million gift bag, including Exponent's Vitamin C Serum. Here's my honest review ...

The powder formula ensures the Vitamin C remains ... But with every brand quick to declare theirs is the best vitamin C serum ...

After researching and testing the formulas ourselves, plus consulting a dermatologist, we’ve narrowed down the best vitamin C serums for every skin type and budget. Our overall winner is the ...

“I believe this is the next best alternative to L-ascorbic acid ... Inside the white lid is the pure vitamin C powder, then when you’re ready you, you can release it into the serum, give ...

If you’ve discovered you have a deficiency in vitamin D, you’re not alone. It’s particularly common among: people who get limited sun exposure people with dark skin people over 65 years old ...