THOME's ABC serum provides triple-synergy redness comfort. Containing azelaic acid, vitamin B3, and centella asiatica, this serum visibly calms and soothes skin. The lightweight formula absorbs quickly, delivering targeted relief for redness and irritation. With regular use, the serum helps to even skin tone, reduce inflammation, and promote a healthier-looking complexion. Ideal for sensitive skin, it provides a gentle yet effective solution for achieving a balanced and radiant appearance.