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.
How to thicken thin skin There are a variety of prescription and proprietary formulations that are directed toward increasing the collagen content, hence the tickness of the skin. Retinnol (vitamin A) and tretinoin (Retin A) are effective although irritating off of the face. and can only be used periodically except on the face.