We have known what all tips to be followed for  a glowing skin... let's look into a deeper perspective and make our skin glow from the root, with this diet regime;

Green Tea

A few cups of green tea a day can definitely help keep the doctor away. When freshly brewed it can enhance your memory, fight against brain disorders, prevent heart attacks and cancer and maintain your positive mood. The catechins in green tea sharpen your wits and keep you relaxed mentally.

As you age, your skin isn't renewed as often, so dead skin cells create a dull and tired complexion. Green tea is full of powerful antioxidants that help your cells live longer, making your skin look and feel younger than it really is.
It's also known to help slow down the aging process, by helping collagen fight off free radicals to keep your skin looking smooth and protect against UV damage.

Be sure to steep your green tea for about 3 minutes, to allow the health promoting nutrients to be released. If you steep for too long, the tea gets too bitter and may decrease your iron absorption and cause constipation.

Raisins
Raisins are a wonderful sweet snack full of antioxidants that promote good health and glowing skin. They are full of resveratrol, which is a powerful antioxidant that slows down the speed of your skin cells age.
Although raisins are quite sticky and sweet, they are actually good for your teeth and gums. They don't cause tooth decay or gum disease, but promote good oral hygiene.

Raisins, like carrots help improve the health of your eyesight. They act as a preventative measure for macular degeneration.
Phytonutrients and olenolic acid are the key nutrients in raisins that help get rid of all impurities in your blood. Think of it as a cleanser for your blood.
They are also beneficial to strengthen your bones and help prevent osteoporosis. The minerals in raisins work together with estrogen to improve your overall health.

Carrots
Carrots are high in the antioxidant beta-carotene, which can prevent your skin from aging and can reverse any damage that has already incurred.
Beta-carotene gives carrots it's orange color. It also converts vitamin A in your body, to help improve your eyesight. Not getting enough vitamin A can actually lead to night blindness, so it's important to eat carrots on a daily basis.

This orange vegetable helps to combat free radicals that contribute to various diseases, such as cancer, heart disease, and macular degeneration. According to a medical study done in Texas and Chicago, those with high levels of beta-carotene had a 37% lower risk of cancer than those with lower levels.

Olives
The use of olive oil dates back to the Egyptians, (think Cleopatra) Greeks, Phoenicians, and Romans. This ancient beauty treasure has been claimed to be the secret ingredient to beautiful skin.
Olives/olive oil contain vitamin E and Oleic oil which is known to plump up your skin cells, and give you protection against the harmful free radicals in your body, therefore reducing fine lines and wrinkles on your skin.
The mono-saturated fats in olives/olive oil combined with the antioxidant protection and vitamin E lowers the risk of damage and inflammation of your skin.

To receive the most benefits of olive oil, be sure to use it externally as a beauty treatment as well. It will promote soft radiant skin, help maintain your skin elasticity, heal dry and brittle nails and cuticles, and will condition and shine your hair.
Be sure to include olives/olive oil in your diet on a regular basis. It will give you glowing soft skin and hair from the inside and out.

Pomegranate
Pomegranates have been known to be the most powerful natural antioxidants, as they contain multiple nutritious vitamins and minerals. This fruit is extremely beneficial for glowing skin, with many added health benefits. It's loaded with vitamin B, C, calcium and phosphorous. Drinking the juice is also beneficial to your heart, as it prevents artery clogging.

Did you know that pomegranates act as an internal natural sunscreen. Including this fruit in your diet can increase your UV light protection and SPF by 25%, as they are full of ellagic acid, which makes your skin heal and renew faster. It also contains agents to prevent prostate cancer, asthma, anemia, intestinal irritations, morning sickness and poor appetite.