What do you think Kajol must have done to lighten her skin tone? From a Dermatologist's perspective, she could have undergone 'GLUTATHIONE' Treatment, IV along with some skin brightening and lightening peels, The Secret Behind Kajol's Timeless Glow: Glutathione Have you ever wondered how Kajol went from looking gorgeous to absolutely radiant? Meet Glutathione, your body's superhero! Painless Treatment The Internet Is Obsessed With Kajol's Transformation But What's the Secret? Google it, and the first thing you'll see is IV Glutathione. Some call it a magical fairness treatment, but is that The Internet Is Obsessed With Kajol's Transformation But What's the Secret? Google it, and the first thing you'll see is IV Glutathione. Some call it a magical fairness treatment, but is that