Because it cannot cross the blood-brain barrier, a semipermeable membrane that protects the brain and spinal cord from circulating toxins or pathogens, dopamine cannot be directly administered into the brain
Sterile Water: What's the Difference
By protecting brain cells, glutathione may support better focus and "brain fog" reduction
Rudzki L, Ostrowska L, Pawlak D, Maus A, Pawlak K, Waszkiewicz N, et al
This is probably one of the reasons why Centella Asiatica Extract has nice skin moisturizing properties that was confirmed by a 25 people, four weeks study along with Centella's anti-inflammatory effects
That sustained action is what makes them effective for weight management