Use sunscreen daily to protect your skin from UV damage
Beyond its antioxidant role, glutathione is involved in numerous critical physiological processes [2][3][4]: Phase II detoxification: Glutathione S-transferase enzymes conjugate glutathione to xenobiotics (drugs, pollutants, carcinogens), making them water-soluble for excretion
A lot is already known about topical depigmenting agents such as hydroquinone, glycolic acid, arbutin, kojic acid, vitamin C, vitamin E and niacinamide, all of which are readily available over-the-counter
Retinoids: Retinoids, such as retinol, are vitamin A derivatives known for their ability to diminish the appearance of wrinkles, fine lines, and uneven skin tone
You can catch my review of it on the blog here
Always consult with a licensed healthcare provider before beginning or changing any treatment