It is one of the more promising natural preservatives that can be used even alone (recommended at 2-4%), but it's not as effective as more common alternatives, like parabens or phenoxyethanol.
Slowig any damage by free radicals to my cells is incredible, which is why Ill do what I can to get my fill of antioxidants
However, measuring cytotoxicity alone is not sufficient
Be wary of supplements with artificial colors, flavors, or preservatives, as these may indicate lower quality
Biotin for hair, skin, and nail health Alpha Lipoic Acid for antioxidant support (600mg max) Vitamin C for collagen production Extra Glutathione for skin health and antioxidant support (3g max per week) Extra Hydration to flush out toxins and hydrate skin (1.5 liters total max) 45 minutes 1 hour Recommended up to 1-2x per week as needed