PIH is most common in patients with darker skin tones, whose skin is more sensitive to this type of injury
Many users find success with a combination approachusing glutathione-infused serums or creams alongside a moderate oral supplement regimen
When delivered intravenously, glutathione bypasses digestion and reaches the bloodstream instantly, making it more potent and fast-acting than oral supplements
Despite its qualities, the consumption of L-carnitine should be monitored due to the possibility of adverse effects in some people, especially when recommended doses are exceeded
In general, patients experience sustained relief that lasts for a year or longer
however, these combinations have yet to be standardized [149, 150]