Nuerma Science 20 % Vitamin C serum is beneficial for any face problem .We have used formula from USA and ingredients also used high quality because we are a manufacturer and we tried our best quality to serve customer. Vitamin C (above 10% concentration) when applied on skin is proven to act on hyperpigmentation, dark spots, oxidative damage like wrinkles, and provide a boost to the natural glow of your skin. This face serum is thoughtfully formulated for targeted efficacy, safety and all-round results. It contains Ethyl Ascorbic Acid (EAA, 15% active) – a water-soluble form of Vitamin C that penetrates skin quickly, and stays stable for longer without oxidizing. This glow serum ensures high delivery of Vit C directly into your skin. Vit C reduces melanin production resulting glowing skin. Reduces dullness & tanning and protects from environmental stress such as pollution & sun damage.