perricone glutathione moisturizer MD Essential Fx Acyl-Glutathione Intensive Overnight Moisturizer, 2 fl. oz this Perricone Md balm Perricone MD Essential Fx Acyl-Glutathione

Lyophilised peptides are supplied as dry powder to maximise shelf life and stability Bacteriostatic Water is added to dissolve the powder into a stable aqueous solution suitable for use in research assays, cell culture experiments, and pre-clinical study protocols

While not FDA-approved, it is well-tolerated and does not require systemic delivery for cosmetic outcomes

Possible topical side effects include: Redness Itching Dryness Burning or stinging Scalp bumps Folliculitis Sensitivity to fragrances, preservatives, alcohols, or botanical ingredients A reaction may be caused by another ingredient in the formula rather than the peptide itself

L glutathione has been applied in cosmetics for smoothing and whitening skin