"About this item [FIRST-STEP COMPLEXION CARE] Essence-like toner enriched with glutathione and essential antioxidants for daily use, revitalizing dull skin and reducing dark spots. Use before the serum as skin booster, for gentle skin resurfacing or as hydrating essence in your routine to restore complexion. [GLUTATHIONE] Glutathione is a well-known supplement especially in Korea, taken either orally or through injections to brighten dull, uneven skin tone and to fade hyperpigmentation, dark spots and acne marks. This powerful antioxidant inhibits melanin overproduction and accumulation, which are the leading causes of hyperpigmentation. Glutathione-enriched skincare offers a gentler and more effective alternative to supplements. [KEY INGREDIENTS] Formulated with brightening ingredients glutathione, vitamin C, and niacinamide to help gently yet effectively fade hyperpigmentation and darks spots and even out dull, uneven skin tone. Panthenol and madecassoside, to soothe and hydrate irritated, sensitive skin. [CLINICALLY TESTED] Clinically proven to reduce dark spots by 18.12% and increase skin brightening by 0.64% in 2 weeks. Effectiveness enhanced by 133% when used in combination with no.5+ serum. Skin irritation test completed, making it safe to use for sensitive and acne-prone skin types. [KEY INGREDIENTS] Formulated with functional, skin-friendly ingredients including Niacinamide (50,000ppm), Vitamins C & E, Panthenol, Liposomal Glutathione, Peptide, and MADEWHITE (20,000ppm), composed of Madecassoside (Centella Asiatica Extracts). [RECOMMENDED FOR] All skin types: oily, dry, combination, acne-prone, and sensitive skin. Especially recommended for the following skin concerns: hyperpigmentation, dark spots, acne scars and marks, dull and tired complexion From the brand No.9 Line for Fine Lines"