Malti N, Merzouk H, Merzouk SA, Loukidi B, Karaouzene N, Malti A, et al
Heres exactly how I ranked these glutathione contenders: Week 0 : Baseline photos (consistent lighting, no filter) Weeks 1-4 : Daily use (AM/PM), tracking glow + hydration Weeks 5-8 : Dark spot measurement (ImageJ software analysis) Weeks 9-12 : Long-term fading + skin barrier health Metrics : Melanin index reduction, user satisfaction, value/ Sample Size : 5 skin types (oily, dry, combo, sensitive, mature) Controls : Identical SPF/moisturizer routine across all tests Result : Only glutathione facewashes hitting 60%+ dark spot reduction made the top 10
For a 250 mcg dose: 0.25 mg 2.5 = 0.1 mL 100 = 10 units
He says his daily regimen includes ingesting a molecule his own research found improved the health and lengthened the life span of mice