does vitamin c regenerate glutathione 🛡️ Antioxidant Facts—What Each One Really Does, 🍊 C, Acts as a “recharger” for other antioxidants—most famously flips vitamin E back to its active form—and stockpiles inside immune cells to Ensuring You Get The Best In Antioxidant Support And Skin Care Glutathione Supplement 1,000mg Per Serving,
Description
Pickart, Vasquez-Soltero, and Margolina 2015)

doi:10.1016/j.jogc.2022.04.004

I have had good luck with three different manufacturers ReadiSorb, QuickSilver Scientific, and Research Nutritionals

Palmitoylated derivatives (Pal-GHK) are designed for improved skin penetration and are used in higher-quality topical preparations