Buy Vitamin C Serum -

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

The Ultimate Guide to Buying Your First Vitamin C Serum (2026 Edition) buy vitamin c serum

The "gold standard" and most potent form. It works fast but can be irritating for beginners or those with sensitive skin. Look for names like Sodium Ascorbyl Phosphate (SAP)