In addition to GSH there are various low molecular weight antioxidants such as reduced vitamin C and vitamin E, bilirubin, and urate
Brief post-injection facial flushing The most consistent community feedback is a warmth and visible flush in the face, neck, and upper chest within 5-15 minutes of injection, fading by 30 minutes
(2018) evaluated the absorption profile of oral S-A-GSH compared to a standard reference glutathione powder in 18 healthy human volunteers
Impact of zinc, glutathione, and polyphenols as antioxidants in the immune response against SARS-CoV-2
Gently swirlavoid shaking to prevent denaturation
The results are variable according to skin tone from darker to lighter and number of injections or course of treatment also depends on clients own colour tone.And client notices the changes during the course of first month , average in 2nd and 3rd week