Article Key Takeaways: Premium serums boost profitability with high margins, repeat sales, and strong client demand. Pairing serums with top med spa treatments like microneedling or injectables maximizes both results and revenue. Smart marketing—highlighting ingredients, results, and exclusivity—turns serums into…

What is Vitamin C Serum? Vitamin C serum is a concentrated skincare product infused with vitamin C, a potent antioxidant that helps protect and rejuvenate your skin. The most common and effective form of vitamin C used in serums is…