Antioxidants are considered a shield that protects the body from cell damage.

Antioxidants are gradually becoming a familiar term in the journey of health and beauty care.

More than just a nutritional factor, antioxidants are like a powerful shield, helping to protect the body from the negative effects of the environment and modern lifestyle.

So what exactly are antioxidants, what role do they play, and how can we get the most benefit from them?

What are antioxidants?

Antioxidants are compounds that can protect or slow cell damage caused by free radicals, unstable molecules produced by the body's metabolism or from external factors such as pollution, ultraviolet rays, and cigarette smoke.

Our bodies can produce some endogenous antioxidants on their own. However, with environmental pressures and unhealthy lifestyle habits, supplementing exogenous antioxidants from food becomes necessary to maintain optimal health.

The effect of antioxidants

One of the most prominent roles of antioxidants is the ability to neutralize free radicals, thereby minimizing oxidative stress, the cause of cell damage and the initiating factor of many dangerous diseases such as cardiovascular disease, cancer, macular degeneration and immunodeficiency.

In addition, antioxidants also help slow down the natural aging process, enhance the body's ability to recover from injury or inflammation, and improve skin health, helping the skin become brighter and more radiant.

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The type of antioxidants popular

Antioxidants not only a variety of types but also carries the special effects for the health. Here are a number of types of antioxidants popular and the role of them:

Vitamins A, C, E :

• Vitamin A: Plays an important role in protecting the mucosa, strengthen the health of the skin and eyesight.
• Vitamin C Is an antioxidant that is soluble in water, helps protect cells from the action of free radicals and support collagen synthesis and enhance immunity.
• Vitamin E: An antioxidant, fat-soluble, have the ability to protect cell membranes from damage.

Beta-carotene :

• Beta-carotene is a form precursors of vitamin A, plays an important role in strengthening the immune system, protect eye health and the skin. This material is often available in the vegetables and fruits, orange, yellow, red as carrots, pumpkin and mango.

Lycopene : 

• Lycopene is an antioxidant, strong highlights with the ability to protect the heart, reduce the risk of cancer, especially prostate cancer.
• Lycopene often be in the red fruits, such as tomatoes, watermelon and pink grapefruit.

Flavonoids, Polyphenols, Phytoestrogens :

• Flavonoids and Polyphenols: Natural compounds found in plants that help fight inflammation, reduce the risk of heart disease, and support brain health.
• They usually have green tea, dark chocolate and red wine.

Phytoestrogens:

• Plant compounds are structurally similar to estrogen, helps to balance the hormones and reduce menopause symptoms.

Food sources rich in antioxidants

The addition of antioxidants from food is naturally effective and safe. Here are the supplies antioxidants abundantly:

Vegetables and fruits have brilliant colors

• Root vegetables and fruits such as carrots, tomatoes, blueberries, pomegranates, oranges, broccoli, and spinach contains a lot of vitamins and antioxidant compounds important.

• These foods help protect your body from oxidative stress, strengthen resistance.

Nuts and whole grains

• Sunflower seeds, almonds: Provides vitamin E and healthy fats.
• Whole grains such as brown rice, oats: Contains selenium and manganese, two antioxidants essential for health.

Other food

• Dark chocolate: With high cocoa content this is the supply of flavonoids and polyphenols ideal.
• Green tea and black tea: Rich in catechins, which help reduce the risk of cardiovascular disease and improve brain function.
• Spices such as turmeric, cinnamon, ginger: Beyond the increase in food flavor, they also contain a variety of antioxidants.

Adding antioxidant effect

To avail maximum benefits from the antioxidants, you need to perform the following methods:

Priority natural food

• Limit the use of processed foods and supplements antioxidants through food as fresh as vegetables, fruits, nuts, and grains.
• Natural foods are not only rich in antioxidants but also contains the nutrient necessary for the body.

Using spices in cooking

• Add turmeric, ginger, cinnamon or other spices in your daily diet to increase the nutritional value and antioxidant.
• This is simple but effective to protect the body.

Drink green tea or matcha

A cup of green tea or matcha every day not only helps supplement catechins which also supports relaxation and improve mood.

Snack with nuts

Brazil nuts, sunflower seeds, or dried fruit with no added sugar are good choices for snacks. They provide energy and antioxidants important.

By choosing foods rich in antioxidants and adopt healthier habits, you not only protect the body from the effects of free radicals, but also enhance overall health.

A diet rich and varied is the key to maintaining a healthy body and energetic.

Note & risk when additional antioxidants

Although antioxidants bring many benefits, but the abuse of complementary products can be harmful.

Studies show that taking high doses of beta-carotene may increase the risk of lung cancer in smokers, while high doses of vitamin E may be linked to prostate cancer risk.

In particular, this supplement can also interact with medications or cause side-effects are not desired.

So, before using any product, any additional, please consult your doctor to ensure safety for health.

Conclusion

Antioxidants are not only a nutritional factor but also a “shield” that protects the body from cell damage. Understanding and taking advantage of antioxidants from your daily diet not only helps you improve your health but also opens the door to a healthy and energetic life.

Let's start the journey to protect the health of you today by selection foods rich in antioxidants and maintain a balanced lifestyle. Light skin health, body energetic is worthy reward for your efforts.

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What is a good SPF/PA sunscreen index?

Choosing the right sunscreen is one of the important steps to protect your skin from the harmful effects of UV rays.

However, many people still do not clearly understand the SPF and PA indexes on sunscreen and how to choose the right product.

In this article of , Dr. Nguyen Giap, we will learn about sun protection factors, what they mean and how to choose the most effective sunscreen for your skin.

What is sun protection factor?

When looking to buy sunscreen, you often see the notation as SPF 30, SPF 50 or PA+++.

These indicators show the ability to protect the skin from the harmful effects of UVB rays and UVA, the main cause of sunburn, skin aging and skin cancer.

Understanding the correct sun protection factor will help you choose the right product. skin suitensuring efficient optimal protection without irritation or clogging clogged pores.

Index of SPF – Anti-UVB rays

SPF (Sun Protection Factor) is a measure of the skin's ability to protect against UVB rays, main causes sunburn, burning skin and skin cancer.

How your SPF:

• SPF as high time protect the skin from UVB rays as long.
• 1 SPF ≈ 10 minutes protects against UVB rays.
• However, the SPF does not reflect the resistance to UVA rays, which cause aging and darkening of skin pigmentation.

Degree of protection according to the index of SPF

🔹 Note:

• SPF is not proportional with the ability to protect. SPF 100 does not mean that protect the skin twice SPF 50.

• SPF higher creamy texture as thick, easy to cause mystery skin, clogged pores and irritation.
• To protect the skin comprehensive, in addition to SPF, of interest to only some PA against UVA rays.

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What is a good sun protection factor?

Choosing a sunscreen with a high SPF is not necessarily good. Choosing a sunscreen index should be based on your needs and skin characteristics.

• SPF 15 – 30, PA++: Suitable for office workers with little exposure to sunlight.
• SPF 30 – 50, PA+++: Suitable for outdoor activities, helps protect skin better.

• SPF 50+, PA++++: for the skin and easy to catch sunny treat skin pigmentation or need intensive protection.

In addition, with sensitive skin, easy to irritation, you should choose a sunscreen that has an SPF of 30 – 50, PA+++, avoid alcoholic products, or aromatherapy.

Sunscreen physics and chemistry – Type which is better?

Sunscreen is divided into two main types: physical sunscreen (Sunblock) and chemical sunscreen (Sunscreen).

Each type has the mechanism of action different to suit each skin type and needs different uses.

Sunscreen physics (Sunblock)

Physical sunscreen contains natural mineral ingredients such as Zinc Oxide and Titanium Dioxide, which help create a protective layer on the skin's surface and reflect UV rays before they penetrate the skin.

Advantages:

• ✅ Protects the skin immediately after application, no need to wait 15-20 minutes to cream of chemical.
• ✅ Less irritation, in accordance with sensitive skin, children.
• ✅ Well protected ago rays UVA & UVB rays, thanks to mechanisms reflect UV rays.

Cons:

• ❌ Easy to leave white streaks on the skin, causing a heavy face.
• ❌ Quality of thick cream, which can cause mysterious skin without makeup remover skills.
• ❌ Not sticking long time on skin, easy to drift when sweating or contact with water.

Sunscreen chemical (Sunscreen)

Sunscreen chemical-containing organic compounds, such as Avobenzone, Oxybenzone, Octinoxate, works by absorbing UV rays and convert them into heat energy, then release out.

Advantages:

1. ✅ Texture thin, lightweight, absorbent, fast, without causing mysterious skin.
2. ✅ Does not leave white streaks as sunscreen physics.
3. ✅ Fit oily skincombination skin because of potentially alkali, oil well.

Cons:

1. ❌ Need to apply before 15 – 20 minutes before going outside to exert their effects.
2. ❌ Can cause irritation for sensitive skin contains a lot of chemicals.
3. ❌ Some ingredients, such as Oxybenzone, Octinoxate can cause harm to the marine environment.

Should choose a sunscreen physics or chemistry?

• 🔹 If you have sensitive skin, easy to irritation: → Choose sunscreen physics.
• 🔹 If you need the background layer is thin, lightweight, non-greasy: → Choose a sunscreen chemical.
• 🔹 If outdoor activities, swimming: → Choose sunscreen physics + indicator against water well.
• 🔹 If everyday makeup: → Choose a sunscreen chemical osmosis fast.

📌 Tips:

• Whether taking any kind, also need to reapply sunscreen every 2 – 3 hours.
• Combine hat, sunglasses, jacket sunscreen to protect the skin comprehensive.
• Exfoliate periodically, remove makeup thoroughly at the end of the day to avoid clogged clogged pores.

Notes when using sunscreen

However, choosing a sunscreen physics or chemistry, you need to use properly to achieve maximum efficiency.

✅ Apply the right sunscreen quality: Use approximately 2mg/cm2 of skin to effectively reach optimal protection.

✅ Reapply sunscreen:

• If working in the office, reapplied after 4 – 5 hours.
• If outdoor activities or go swimming, reapply after every 2 – 3 hours.

✅ Use sunscreen even when the sun shady: UVA Rays can pass through clouds and glass, which cause skin lesions even when there is no sun.

✅ In combination with measures other sun protection: Use hats, sunglasses, shirt sunscreen to protect the skin comprehensive.

Conclusion

Choosing the right sunscreen is not only based on SPF or PA index but also depends on skin condition and exposure environment.

• SPF 30 – 50, PA+++ is the right level for the needs sunscreen daily.
• Do not abuse sunscreen with SPF too high because there can cause clogged clogged pores.
• Combine reapplied sunscreen and measures shielding to protect the skin optimally.

Hope this article help you better understand the just of sunscreen and how to choose sunscreen fit! 🌞

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• Hotline: 0909 886 054
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What effect does vitamin A have on facial skin?

Vitamin A is an essential nutrient that is often overlooked in our daily diet. We often hear about the role of vitamin A in protecting our eyes, but is that all?

In fact, it is an important vitamin involved in many biological functions in the body, from boosting the immune system, supporting bone growth, to beautifying the skin and maintaining overall health.

So what are the effects of vitamin A and how to supplement it properly? This article by Dr. Nguyen Giap Aesthetic Surgery Center will help you understand more about the type of this important vitamin.

Vitamin A and its important role in health

Vitamin a is a kind of fat-soluble vitamins, exists in two main forms:

• Retinol (vitamin A activity): There are many in foods of animal origin such as liver, milk and eggs.
• Carotenoids (provitamin A): Be found in food of plant origin such as carrots, pumpkin, green vegetables.

Our bodies can't synthesize vitamin A which need absorb through food.

If deficiency of vitamin A, the body may encounter more serious problems, especially related to vision, immunity and the development of cells.

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What is the effect of vitamin A?

Protect eyesight and healthy eyes

One of the most important benefits of vitamin A is maintaining vision. Vitamin A deficiency can lead to night blindness, a condition in which the eyes cannot adapt to low light, impairing night vision.

In addition, vitamin A also participates in protecting the cornea, preventing dry eyes, a common problem in people who regularly use electronic devices or work in polluted environments.

Adding enough vitamin A to help reduce the risk of macular degeneration, a disease common in older people, can cause permanent vision loss.

Boosts the Immune System

Vitamin A plays an important role in protecting the body against the invasion of bacteria and viruses. This vitamin helps maintain the integrity of the mucosa, the body's natural protective barrier, and supports the production of white blood cells, thereby improving resistance.

Many studies show children vitamin A deficiency are predisposed to infection, especially measles and prolonged diarrhea.

The addition of vitamin A in the right way can help to recover quickly after infection and reduce the risk of serious complications.

Healthy skin, prevents aging

Vitamin A is a powerful antioxidant, which helps protect the skin from the damaging effects of free radicals, thereby slowing down the aging process. Some forms of vitamin A, such as retinol, is often used in cosmetics to treat acne, reduce wrinkles and whitening.

In addition, vitamin A or vitamin E also supports the process of cell regenerationhelps skin stay fresh and smooth. Those who have dry skin, peeling, or irritation are often recommended vitamin A supplements, vitamin F to improve skin health from the inside.

Support the development of bones and cells

Not only helps eyes bright, beautiful skin, vitamin A also plays an important role in the development of bones and cells.

In children, the lack of vitamin A can lead to the slow development or osteoporosis early adulthood.

Besides, vitamin A is involved in the process of creating red blood cells, helps improve the process of oxygen transport in the blood.

This is very important for overall health, especially in people with regular physical activity or risk of anemia.

Foods rich in vitamin A should be supplemented

Vitamin A can be found in all foods of animal origin and plant.

The addition of vitamin A-rich foods in the daily diet helps the body to absorb nutrients naturally and effectively.

Food of animal origin

The food from animals contain vitamin A as retinol, a form of direct operation, which helps the body absorb quickly:

• Animal liver (beef liver, chicken liver, pork liver): Is the supply of natural vitamin A is most abundant. Just a small portion of the liver can also fully meet the needs of vitamin A daily. However, one should not eat liver too often to avoid the risk of excess vitamin A.
• Milk and dairy products (fresh milk, yogurt, cheese): In addition to vitamin A, the products from milk offer calcium and vitamin D supports healthy bones.
• Eggs (especially egg yolks): Contains significant amounts of vitamin A along with protein, which helps maintain healthy skin and strengthen eyesight.
• Fatty fish (salmon, tuna, sardines, herring): Not only contains vitamins A, what kind of fish is also rich in omega-3, helps improve cardiovascular health and brain.

Food of plant origin

Vitamin A in plants exists in the form of beta-carotene – a precursor of vitamin A, should be metabolized in the body before you can use:

• Carrots: Known as the supply of beta-carotene is most abundant. A carrot can meet the large demand of vitamin A daily.
• Sweet potato, pumpkin: Contain large amounts of beta-carotene and antioxidants, help protect skin and strengthen the immune system.

• Dark green vegetables (spinach, kale, green vegetable, spinach, broccoli): Provides not only beta-carotene but also rich in fiber, vitamin C and minerals that are beneficial for overall health.
• Fruits rich in vitamin A (papaya, mango, melon, momordica): This is the supply of beta-carotene natural support eye health and the skin.

👉 Tip to absorb vitamin A, efficiency: Because vitamin A is fat-soluble, so to the body absorb better, you should combine these foods with healthy fats such as olive oil, coconut oil, butter or nuts.

Signs of deficiency and side effects of taking too much vitamin A

Maintain the level of vitamin A balance is essential to ensure health. The deficiency or excess of vitamin A can lead to serious consequences.

Signs of deficiency of vitamin A

Vitamin A deficiency can affect many functions in the body, especially vision, skin and immune system. The common signs include:

• Visual problems: Eyes dry, prone to irritation, night blindness (hard to see in the dark). If severe deficiency can lead to corneal damage, even cause blindness.
• Dry skin, brittle hair, hair loss, weak nails: Vitamin A plays an important role in the maintenance of healthy skin, when the deficiency, the skin can become grainy, peeling, brittle hair, hair loss.
• Deterioration of the immune system: The body susceptible to infections, especially infections of the respiratory tract and gastrointestinal tract. Children vitamin A deficiency are at risk for measles, diarrhea and pneumonia are higher.
• Retardation in young children: Vitamin A is necessary for the normal development of the body. Deficiency can affect the physical development and intelligence in children.

Side effects when additional overdose of vitamin A

Although vitamin A is very important, but if the supplement too much, especially from sources such synthetic pill, can lead to a state of intoxication:

• Poisoning of vitamin A, acute: Occurs when the consumption of vitamin A too big in short time. The symptoms include nausea, dizziness, headache, loss of consciousness.

• Accumulation in the liver: Vitamin A excess are not excreted but accumulate in the liver, causing liver damage, increases the risk of cirrhosis of the liver.
• Osteoporosis and brittle bones: The addition of vitamin A excess can reduce bone density, leading to the risk of osteoporosis and fractures is higher, especially in the elderly.
• Causes birth defectsPregnant women need to be especially careful with vitamin A, because high doses can cause birth defects in the fetus. Experts recommend that pregnant women should not take vitamin A pills but should supplement it from natural foods.

👉 Tips: To be safe, vitamin A supplements should be taken in the recommended dosage by a nutritionist or doctor. For adults, the average daily requirement of vitamin A is:

• Men: 900 mcg
• Female: 700 mcg
• Children: 300 – 600 mcg (depending on age)

Conclusion

Vitamin A plays an extremely important role in human health, from protecting the eyes, boosting immunity, supporting bone development, to beauty skin.

Maintaining a diet rich in vitamin A from natural food will help you get a healthy body without worrying about side effects due to additional excessive.

Let's listen to the body, vitamin A supplements the right way to enjoy a healthy life and full of energy!

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PROCEDURES PROCESS AT DR. NGUYEN GIAP AESTHETIC SURGERY CENTER

• Hotline: 0909 886 054
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