For UK clinics selling it as a treatment, the MHRA position now creates direct legal exposure [1]
I have had alopecia for 10 years, wearing wigs and being generally uncomfortable

Ingredients in L-Glutathione Cream: L-Glutathione Cream Contains Purified (deionized) water, Aloe barbadensis (aloe vera) leaf gel, vegetable glycerin, stearic acid, beeswax, Prunus amygdalus Dulcis (sweet almond) oil, extra virgin Cocos nucifera (coconut) oil, Simmondsia Chinensis (Jojoba) seed oil, glyceryl stearate, cetyl alcohol, Theobroma cacao (cocoa) seed butter, Setria glutathione [as L-glutathione (oxidized)], Phenoxyethanol, d-panthenol (vitamin B-5), vitamin E (as d-alpha tocopheryl acetate), soy lecithin, Thymus vulgaris (thyme) leaf extract, potassium hydroxide, xanthan gum, Allantoin, Origanum vulgare (oregano) leaf extract, Cinnamomum zeylanicum (cinnamon) bark extract, Rosmarinus officinalis (rosemary) leaf extract, Lavandula angustifolia (lavender) flower extract, Mentha piperita (peppermint) leaf extract, Citrus medica Limonum (lemon) peel extract, Hydrastis Canadensis (goldenseal) root extract, Olea europaea (olive) leaf extract

As part of the present study, absolute counts of monocytes and lymphocytes decreased sharply immediately after intravenous LPS injection in dairy cows, reaching baseline values again within 14 d after the immune challenge (11)
That is KLOW
However, excessive or impaired induction of angiogenesis in the central nervous system can lead to pathological conditions