You’ve scrolled through endless “serum” options—hydrating, brightening, anti-aging, barrier-repair—and wondered which ones actually do what they claim. As a brand or professional buyer, you’re also asking: which types of face serum align with your target users, regulatory markets, and price points? Face serums fall into functional types—hydration, brightening, anti-aging/firming, barrier-repair/soothing, pores/oil-control, exfoliating/texture, anti-blemish, antioxidant/UV-support, and specialty actives (e.g., peptides, tranexamic acid). Each type is defined by its actives, vehicle/texture, pH, and compatibility with skin goals and other steps. The best