How does glutathione help the skin
DOI: 10.1111/j.1399-3054.1994.tb03042.x [2] Glutathione: Metabolism and function[J]
Skin-Specific Benefits Reduction in Hyperpigmentation and Melasma: The most widely cited skin benefit is a reduction in dark spots, uneven skin tone, and melasma
If you want to use tyrosine I would recommend combining it with other thyroid-specific nutrients in a supplement such as this one or this one
Yuan D, Wu X, Gong B, Huo R, Zhao L, Li J, L G, Gao H (2023) GABA metabolism, transport and their roles and mechanisms in the regulation of abiotic stress (hypoxia, salt, drought) resistance in plants
Its not a pain-free experience, but its generally considered much less intense than other aesthetic treatments and is over before you know it