Cosmetics and personal care products contain many ingredients that not everyone is aware of. One common ingredient is Niacinamide. This is a form of vitamin B3, which can make the skin more beautiful and healthy, and rarely causes irritation or acne on the skin. However, the effectiveness of Niacinamide in cosmetics depends on the specific skin type and the skin's sensitivity to this nutrient.

1.What is Niacinamide in Cosmetics?

- Niacinamide and Niacin are forms of vitamin B3. This is an essential nutrient required for normal metabolism in every cell in the body. The recommended daily intake for adults for Niacin is 20 mg, which is present in a variety of foods rich in vitamin B3, including yeast, meat, eggs, milk, green vegetables and cereal grains.

- In cosmetics and personal care products, Niacinamide and Niacin are added to shower gels, shampoos, hair conditioners, skin moisturizers and other skin care products as well as cleaning products.

- Niacinamide is used in cosmetics and personal care products for its ability to improve the look and feel of hair, by adding shine, softness or luster, or by improving the texture of hair that has been physically or chemically damaged. When used in skin care product formulations, Niacinamide and Niacin help improve the condition of dry or damaged skin by reducing flaking and restoring suppleness to the skin.

2. What are the effects of Niacinamide in cosmetics on skin benefits?

Niacinamide or Vitamin B3 is an essential nutrient that helps stimulate the activity, growth and replenishment of skin cells. This vitamin plays an important role in the natural exfoliation process of the epidermis (the top layer of skin) when new skin cells are produced to replace dead or damaged skin cells.

Therefore, applying products containing niacinamide topically has been linked to various benefits for the skin, including:

2.1. Improves youthfulness of the skin

There is a lot of evidence that topical application of vitamin B3 can have a positive effect on mature skin because this ingredient has the ability to fade the signs of skin aging. Research results show that after a period of using niacinamide, it can improve the symptoms of skin aging over time or due to environmental impacts such as wrinkles, fine lines, increased or decreased pigmentation, uneven skin texture, red spots and yellow skin, dark spots.

2.2. Stronger skin protection

When applied topically, niacinamide can strengthen the skin barrier by promoting cell turnover in the epidermis. Because the epidermis is the most superficial layer of the skin, this layer of cells is often directly exposed to external harmful factors, also known as free radicals. This can include ultraviolet rays, pollution, oxidative stress, extreme temperatures, cosmetics, etc.

Accordingly, when vitamin B3 is applied topically, this nutrient can stimulate the synthesis of ceramides and facilitate the bonding process between lipids in the epidermis. In this way, niacinamide can strengthen the skin barrier and thicken the epidermis to reduce the risk of external damage caused by allergens, bacteria, and other free radicals. This process can lead to improved skin hydration and moisture retention for longer periods of time, making niacinamide a preferred choice for those with dry and dehydrated skin.

2.3. Reducing the symptoms of acne

Acne (also known as inflammatory acne) is one of the most difficult skin conditions to treat because of its complex nature. The condition involves inflamed skin, which is also dry due to overactive sebaceous glands and sensitive pores. Fortunately, evidence suggests that topical products containing 2-4% niacinamide along with supplements of vitamin B3 (niacinamide), zinc, copper, and folic acid can be used to reduce inflammation and improve the symptoms of acne.

For non-inflammatory acne, including milia, blackheads, pimples, rashes, and other skin blemishes, studies have also suggested that topical products containing niacinamide can be effective in treating this type of acne. Additionally, due to its antibacterial properties, this cosmetic ingredient has been linked to a reduced risk of inflammation and improved overall skin condition in people with oily, acne-prone skin.

Niacinamide helps reduce the symptoms of acne

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3. What are the side effects of vitamin B3?

Although dermatological studies have found that topical niacinamide at 2% - 4% is a safe cosmetic ingredient and unlikely to cause allergic reactions, there are still individuals who may be sensitive.

In fact, any topical skin care product used on sensitive skin can make the current skin condition worse, causing clogged pores, burning, itching and redness, including contact with niacinamide.

Accordingly, if you are concerned that you may be allergic or irritated by the active or inactive ingredients in a topical product, you should test a small sample on your skin before using it officially. Specifically, users can apply a small amount of cosmetics containing Vitamin B3 to the skin of the inner arm or neck and cover it with a non-stick layer overnight. The next morning, if the skin is red, red, itchy or feels irritated, do not continue to use this cosmetic on the face. Therefore, always use cosmetics with caution and safety, the face should not be a place to test.

On the other hand, it is worth noting that scientific evidence shows that both oral niacin and oral niacinamide in some people can also increase existing allergic reactions by increasing the production of histamine in the body. Therefore, in these subjects, niacinamide in cosmetics should not be a choice of concern.

In short, niacinamide is a metabolite of vitamin B3. The effects of niacinamide in cosmetics have been proven to protect the skin, improve skin aging as well as control acne. However, like any topical cosmetic, users should test skin tolerance to avoid irritation before use, so that the cosmetic can bring the most perfect benefits to the skin.

 And if you are looking for a solution that is both gentle for sensitive skin and helps remove melasma - restores the skin's protective barrier thanks to the formula containing Niacinamide and specialized nutrients, try Melasma Serum LADEEN, which is extremely safe and effective, to feel the difference.

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