For example if we have x=953, I want to select specifically the first digit (or the last two) and save it in another variable, so the outcome would be y=9 (or y=53)
Hydroquinone has also been linked to a medical condition in humans called ochronosis. This condition has actually been found in humans, not rodents, but the evidence is inconclusive at the moment. Ochronosis is a condition where the affected skin darkens in color, and also becomes thicker in texture.
Every 15 days chemical peeling or carbon laser. After 20 days of using topical creams, my face completely became black, especially on the places where I applied those cream. After researching on the internet, I suspected the culprit was hydroquinone 4% as many people had experienced the same effect as mine.