Cut to three hours later, the half that didn’t get the serum is visibly more brown.

The explanation of why one side browned faster has to do with vitamin C’s antioxidant properties.

Ok, now to connect the dots.

Vitamin C serums

Photo: Elina Kovtunova/Getty Images

Vitamin C neutralizes many of those ROS to repair damaged skin cells and prevent future damage, she explains.

This translates to skin-care products that prevent signs of aging, fighthyperpigmentation, and prevent the breakdown ofcollagen.

There are a few key factors that might help you narrow it down.

Skinceuticals Vitamin C E Ferulic

Dermstore

SkinCeuticals C E Ferulic combines 15 percent L-ascorbic acid with vitamin E and ferulic acid.

It also containspumpkin ferment, another source of antioxidants.

The formula has 15 percent L-ascorbic acid, vitamin E, and hydratinghyaluronic acid.

Drunk Elephant C Firma Day Cream

Sephora

The vitamin C is formulated within a 2.2-3.2 pH range.

Buy It:Drmtlgy Advanced C E Ferulic

Vichy Liftactiv Vitamin C Serum

Vichy

Drmtlgy C E Ferulic Serum

Drmtlgy