It contains no preservative, so once you pierce the stopper, it's a race against contamination
A double-blind, placebo-controlled trial in adults with trichotillomania showed a significant 56% reduction in hair pulling with NAC, 1200 mg per day for 6 weeks followed by 2400 mg per day for another 6 weeks, compared with a 16% reduction in the placebo group, with improvements noticeable from 9 weeks
10.1080/17461391.2014.920926 Eur J Sport Sci
GSH is also shown to visibly address acne, wrinkles, age spots, sunburns, skin whitening, rashes, stretch marks, and most things skin related.Patent-pending Auro Glutathione (Auro GSH), antioxidant spray delivers a highly absorbable form of reduced L-glutathione utilizing groundbreaking sub-nanotechnology that allows the reduced glutathione molecule to absorb into your skin
S., McGee A