Award-winning, clinically studied scalp serums — one for every concern. Act+Acre's trichologist-formulated serums promote thicker-looking hair, restore scalp hydration, soothe scalp discomfort, and balance oil. Cold Processed®️ below 40°C, no rinse. Your trichologist in a box. + Stem Cell Scalp Serum | 0.5 oz + Daily Hydro Scalp Serum | 0.5 oz + Scalp Relief Cooling Serum | 0.5 oz + Oily Scalp Serum | 0.5 oz