Can drinking coffee daily make the skin complexion darker?
Excess of any thing is bad, rather than coffee has skin beneficial component like it is full of antioxidants but it also have some adverse effects prolonged use of coffee can have more negative benefits than positive it may damage your teeth, breadth and even your skin.
Skin disorders related to coffee are:
Tannin is a chemical that is found in both coffee and tea. Commercially, tannin is used in tanneries when processing leather to make the leather soft and shiny, which is a good indicator that you shouldn't be drinking it. Tannin blocks the pores of cells, preventing them from receiving nutrients provided by food. Other adverse aspects of tannin that make it great for leather treatment are its hydration-removal properties, which can cause your skin to become rough and brittle over time.
A common skin problem found primarily in older people is liver spots. These dark splotches are caused by a high level of toxicity and congestion in the liver. Your liver acts like a filter for your body, purifying your blood so your cells can receive oxygen and nutrients. Long-term coffee use may block your liver with toxins, preventing your liver from purifying your blood. This impure blood then taints the cells in your body, including skin cells, which may result in the development of liver spots as you age.
In addition to the dehydrating effects that tannin has on your skin, the caffeine in coffee, when taken in high amounts, also acts as a diuretic, which further dehydrates your body. Diuretics cause you to urinate more frequently, which can dry out your body as well as your skin. While drinking only a few cups of coffee won't dehydrate you too badly, when you get up to 4 to 7 cups a day, it may become problematic.
The toxic effects that coffee can have on your liver can also lead to acne, as the liver is unable to purify your blood, resulting in tainted skin cells.