However, buying a Vitamin C serum isn't as simple as picking the first bottle you see. Because Vitamin C is highly unstable—meaning it can lose its effectiveness when exposed to light or air—you need to know exactly what to look for on the label. 1. Choose the Right Form of Vitamin C
The "gold standard" and most potent form. It works fast but can be irritating for beginners or those with sensitive skin. buy vitamin c serum
Vitamin C is arguably the most talked-about ingredient in skincare, and for good reason. Backed by decades of research, it is the "holy grail" for anyone looking to brighten dark spots, boost collagen, and protect against environmental damage. However, buying a Vitamin C serum isn't as
Look for names like Sodium Ascorbyl Phosphate (SAP) or THD Ascorbate . These are gentler, more stable, and ideal for sensitive or acne-prone skin. 2. Check the Concentration Choose the Right Form of Vitamin C The