If you’re looking for a brightening serum that truly delivers visible radiance, the Inner Nature Vita-C Ampoule is one. It’s packed with a potent vitamin C derivative (3-O-Ethyl Ascorbic Acid), which is stable and effective in brightening the skin without the usual irritation, and is paired with niacinamide to give you a dual whitening effect—this means it works on both preventing and reducing pigmentation. What we love about this ampoule is how clean and hydrating it feels; the formula also includes natural herb complexes, honey extract, Tremella mushroom polysaccharides, and over 20 soothing botanical ingredients like chamomile, turmeric, and lavender to calm and nourish the skin. Plus, they actually tested the product’s vitamin C stability with an iodine experiment—which is rare to see in skincare marketing—so it’s not just about pretty packaging, but real performance. If your skin looks dull, uneven, or tired, this is one of those ampoules that works quietly but effectively in the background to make your bare skin glow naturally from the inside out.