Let’s talk about one of the most annoying beauty frustrations…when your foundation changes colour halfway through the day. You start the morning looking great…flawless base, face matches to your neck and by the afternoon, you’ve somehow turned three shades darker or, worse, orange. It’s not your imagination. It’s oxidation.
Let me explain why and how this happens…oxidation happens when the pigments in your foundation react with oxygen, your natural skin oils, or your skin’s pH. This is what results in the formula turning darker or warmer…and it’s way more common in high pigment, SPF heavy, or oil reactive foundations.
I’ve tested so many foundations over the years…on myself, on clients, in humidity, under studio lights, and across skin types. These are the ones that truly don’t oxidize. They stay the shade they were in the bottle, which is honestly rarer than you’d think.