Taking 5 grams of pig collagen pills every day for one or two months can visibly reduce dark spots and patches on the face. This happens because the collagen helps regulate how your skin produces pigment, leading to a clearer complexion.

Taking collagen supplements may help lighten dark spots on your face. Instead of directly blocking pigment production, the special proteins in collagen appear to boost skin cell growth and repair, which gradually improves your skin's overall appearance.

Taking 5 grams of collagen pills every day for three months might help reduce redness in your face and make your skin tone look more even. This could happen because the collagen calms inflammation or changes how blood flows to your skin.

Taking 5 grams of a special fermented collagen supplement every day can help fade dark spots on your face. You might start seeing results in just a month, and it works just as well or even better than regular collagen supplements.