Lime Juice : A brightening serum?

I have been drinking Calamansi lime water for around a month. I drink it almost everyday. Only 1 Calamansi lime at a time. Slow and steady effort. I add plain water in a mug, and then I squeeze the lime juice from a Calamansi lime. I did it for health, and for taste. Sometimes I don't like the after taste of the food I ate for lunch so I decided to drink Calamansi water to cover the after taste. It works everytime. And I also love the taste of lime juice. After squeezing the lime, there will be the remaining lime juice on your fingers and in the lime peels. This, I did not throw away easily. The remaining juice in the peel, I apply it on my skin as serum or face mask. It helps the skin to become smoother and brighter. And it works for me. Let it stay on your skin for 15 to 30 minutes and rinse it clean. But before applying the juice, we must test a small amount of it on the sensitive and small area on our skin. It is because the lime juice is acidic and can cause...