The Green Tangerine Vita C Dark Spot Serum is formulated with green tangerine extract rich in vitamin C, which helps brighten the skin, fade dark spots, and even out skin tone. It also contains natural ingredients that provide antioxidant benefits. However, some users may find the scent overpowering or the formula too potent for their skin, leading to possible irritation. It is advisable to patch test before full application.