Skin whitening has become a popular trend in the beauty industry. While there are many products on the market that claim to brighten and whiten the skin, using skin serums has become particularly popular. Whether you're looking to reduce the appearance of dark spots and hyperpigmentation, or simply achieve a more radiant complexion, a skin serum may be a great addition to your skincare routine. So, what are the top 6 benefits of using a serum for skin whitening? Read to know.