Epicutis Arctigenin Brightening Treatment (ABT) is a first-of-its-kind brightening serum built around ABSO — a proprietary novel extract derived from burdock seed oil, enriched with arctigenin (ATG), the specific lignan compound responsible for skin brightening activity. Arctigenin has never before been used in mainstream skincare — it represents a genuinely new brightening mechanism distinct from tyrosinase inhibitors (kojic acid, arbutin) or melanosome transfer inhibitors (niacinamide).

Arctigenin's brightening mechanism operates at the melanocyte differentiation stage — inhibiting the early signaling pathway that determines whether melanocytes produce melanin-containing melanosomes, rather than simply inhibiting the enzyme (tyrosinase) that produces melanin within already-activated melanosomes. This upstream inhibition provides complementary and additive brightening activity to conventional brighteners. ABSO (Arctigenin-Enriched Burdock Seed Oil) delivers arctigenin in the optimal lipid vehicle for penetration and bioavailability. Activated Grape Seed Extract (AGSE) provides antioxidant and anti-inflammatory activity clinically proven to combat fine lines and wrinkles. Ferulic Acid provides additional antioxidant and melanogenesis-inhibiting support. Epicutis is a Princeton University-rooted clinical skincare brand founded by dermatologist Dr. Steven Rosen, M.D., built around patented lipid bioactive technology (TSC — Disodium Tetramethylhexadecenyl Succinoyl Cysteine) developed at Princeton University. Each formula is designed around a minimal, clean ingredient philosophy — only ingredients that serve a clear functional role. Available at Beauty Riche — authorized Epicutis retailer with same-day shipping.

Epicutis Arctigenin Brightening Treatment (ABT) Tester 1oz – ABSO Serum (No Box)