Vitamin B3 or niacinamide is a water soluble vitamin that can benefit skin health. Even, it is believed that it is decisive for the treatment of some dermatological problems.
Also known as nicotinamide or vitamin B3, niacinamide is found in many foods, including yeast, meat, fish, milk, eggs, vegetables, beans, and cereals. It is also found in vitamin B complex supplements.
In fact, it is a substance that can be formed in the body thanks to the intake of niacin in the diet. However, it should not be confused with NADH, nicotinamide riboside, inositol nicotinate, or tryptophan.
Now, it should be noted that this vitamin plays an important role in the development and function of body cells. It even contributes to transforming food into energy. However, beyond this, it has also shown positive effects for skin care. Find out!
Niacinamide benefits for skin care
Niacinamide is ingested through food and supplements to prevent vitamin B3 deficiency and related conditions, such as pellagra . The latter is a disease that originates from the deficiency of certain vitamins, leading to the appearance of spots on the skin and alterations in the nervous and digestive systems.
And, as a study published in the journal Dermatologic Surgery concludes , niacinamide, especially topical, has significant effects in improving the appearance of the skin. which are your main benefits?
Reduces hyperpigmentation and melasma
Significantly decreases hyperpigmentation and helps increase skin luminosity. This, according to a study published in Dermatology Research and practic and , due to the fact that niacinamide interferes with the interaction between keratinocytes and melanocytes which inhibit melanogenesis.
Helps with acne
There is evidence of significant reduction of acne in patients treated with topical niacinamide. In fact, oral nicotinamide can also help with acne.
According to a review published in Dermatologic Therapy , these effects are due to its anti-inflammatory properties and its ability to decrease sebum production.
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Improves the function of the skin barrier
Niacinamide can improve the skin barrier because it increases the synthesis of ceramides, free fatty acids and cholesterol. In turn, it reduces the loss of water in dry skin, which improves its moisture content.
Reduces erythema and improves skin tone
It can decrease both facial redness and yellowish color. This is due to its antioxidant properties, which help to inhibit the oxidative processes that produce yellowish-brown compounds that accumulate in the skin as aging occurs.
It also helps against the symptoms of rosacea due to its ability to improve the function of the skin barrier.
Decreases sebum production
Vitamin B3 has shown effects in reducing sebum production in only 2-4 weeks. This is believed to happen because it reduces the synthesis of triglycerides and fatty acids (two of the main lipid compounds in the sebaceous glands).
Improves the appearance of pores
Niacinamide can improve the appearance of pores because it increases the elasticity of the skin. In addition, thanks to its sebum-regulating properties, it can reduce the imperfections associated with enlarged pores, such as blackheads .
Has anti-aging benefits
Wrinkles, fine lines, and elasticity show improvement using topical niacinamide, as it increases the production of collagen and other types of protein. It can even inhibit excess glycosaminoglycans (GAG).
Acts as an antioxidant
It can protect skin cells from oxidative damage and, in turn, helps repair DNA damage by acting as an antioxidant. It works by inhibiting reactive oxygen species (ROS), which can cause oxidation of lipids, proteins (such as collagen or elastin), and DNA.
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Protects from sun damage
It has photoimmunoprotective effects when applied to the skin. It is capable of repairing DNA damage induced by UV radiation by reducing sun damage to keratinocytes and other skin cells. On the other hand, it is easily absorbed and the chances of causing irritation are low, since it has a neutral pH.
Niacinamide for the skin: consulting a dermatologist is important
As we see, niacinamide has interesting skin benefits, most backed by evidence. However, before using it, either orally or topically, it is important to consult a dermatologist. The professional will not only be able to establish safe doses in each case, but will also provide other recommendations to keep the skin in optimal conditions.
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