Using a vitamin C serum consistently can be a game changer for anyone struggling with dark spots or hyperpigmentation. From my personal experience, incorporating the Innisfree Vitamin C Brightening Serum into my skincare routine brought noticeable improvements in just one week. The key ingredients like vitamin C capsules and green tea work synergistically to brighten the skin while calming inflammation. What I found especially beneficial was how gentle it felt even on my sensitive skin, without causing irritation or redness. It's important to apply the serum every morning on clean skin to maximize its antioxidant protection against environmental damage. Within a few days, my previously noticeable acne marks began to fade, and overall my complexion looked more radiant and even. Remember to follow up with sunscreen daily, as vitamin C can make your skin more sensitive to sunlight. This product not only targets dark spots but also supports skin health, making it a great addition for anyone aiming for a brighter, more youthful glow.