In one study, Parkinsons patients took glutathione supplements and experienced tremors less frequently
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2 However, safety is a separate question from efficacy: being unlikely to cause harm is not evidence that it grows hair
WATER, GLYCOLIC ACID, NIACINAMIDE, C12-15 ALKYL BENZOATE, AMMONIUM HYDROXIDE, CETEARYL ALCOHOL, BUTYLENE GLYCOL, KOJIC ACID, NEOPENTYL GLYCOL DIHEPTANOATE, GLYCERYL STEARATE, PEG-100 STEARATE, POLYACRYLAMIDE, ISODODECANE, SQUALANE, ALPHA-ARBUTIN, AZELAIC ACID, C13-14 ISOPARAFFIN, CETEARYL GLUCOSIDE, DIMETHICONE, DISODIUM EDTA, ETHYLHEXYLGLYCERIN, GLUTATHIONE, LACTIC ACID, LAURETH-7, PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE, PHENOXYETHANOL, PROPYL GALLATE, RETINYL PALMITATE, TOCOPHERYL ACETATE, XANTHAN GUM, CAMELLIA SINENSIS LEAF EXTRACT *** Ingredients are subject to change at the manufacturer's discretion