L Glutathione 14 Capsules Travel Size Skin Nutrition SA Glutathione injections are taken once a week for 6 weeks. They reduce melanin production and make skin lighter. The cost is 5000 per sitting for double dose glutathione with Vitamin c, b complex and How Glutathione Injection Works for Skin Whitening Glutathione: Glutathione not only decreases the melanin (pigmentation) in your skin, but has also been found to decrease wrinkles and increase skin elasticity. Glutathione works on the skin pigment production by inhibiting