Pyridoxine Hydrochloride (HCL) Good Antioxidant Anti-Blemish Pyridoxine Hydrochloride (HCL) at a glance Scientific name for vitamin B6 May have antioxidant properties for skin Pyridoxine Hydrochloride (HCL) description Scientific name for vitamin B6; may have antioxidant benefits for skin when applied topically. Related ingredients: Vitamin B6