Vitamin A for Acne Works?

Vitamin A for Acne Works? / Aesthetics

Having a healthy and nutritious diet is essential for the human body to receive all the nutrients needed to perform the various metabolic functions. Vitamin A is one of the most important vitamins in the body, acting on the immune system, the reproductive system, improving visual functions and also being important for maintaining the health of the skin and hair.

Let us know what vitamin A is, learn more about its functions in the body and understand if vitamin A for acne really works?

What is Vitamin A?

Vitamin A is a micronutrient widely found in many sources of animal and plant origin. This was the first fat-soluble vitamin to be recognized in 1913. The term vitamin A comprises retinol and all carotenoids that have biological activity. The three forms of this vitamin in the body are retinol, retinoic acid and retinaldehyde.

The main foods containing vitamin A are liver, milk, egg yolk, yellow vegetables such as pumpkin and carrot, green leafy vegetables such as spinach, cabbage, mustard and basil, some fruits, among them mango, persimmon, papaya, guava and cashew, as well as some oleaginous oils and fruits such as palm and pequi.

The human body is not able to produce vitamin A and therefore this nutrient must be fully purchased through food to meet all the needs of the body. Because of this, when food is poor in nutrients and does not have a good quality, deficiency of this and many other vitamins can lead to health damage.

Vitamin A deficiency in the body can cause a number of problems, such as diarrhea, respiratory morbidity, night blindness, dry eyes, inflammation of the skin (dermatitis), increased risk of infection, and many other symptoms . The daily recommendation of this vitamin for adults is 700 μg for women and 900 μg for men.

Here are the main functions of vitamin A in the body:

1. Improve visual function

Vitamin A plays a key role in visual processes and its deficiency is one of the major factors involved in night blindness and childhood blindness. Thus, the function of vitamin A is to protect the cells of the corneas, maintaining the cellular proliferation so that there is a correct differentiation for the proper functioning of the corneas.

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2. It acts on the reproductive function

Vitamin A is involved in the synthesis of steroid hormones, bringing benefits to the function of the placenta, because it increases the levels of progesterone, one of the responsible for the gestational corporal adjustments, favoring the fetal development. In addition, this vitamin is involved in the testicular and ovarian function and in the development of the embryo.

3. Strengthens the immune system

Vitamin A is able to increase the differentiation of T and B lymphocytes and is important for maintaining the integrity of the epidermis and mucous membranes, acting on the maintenance and differentiation of epithelial cells. Deficiencies of this and other vitamins cause a decrease in keratinocytes, histopathological changes in the intestinal mucosa, and decreased production of mucus in the gastrointestinal and respiratory tract. These problems hinder the immune system, facilitating invasion by pathogens.

4. Has antioxidant action

Vitamin A is one of the vitamins with high antioxidant power, acting on the blocking of free radicals that can cause a harmful effect on the cells, generating many health problems, among them cataract, various types of tumors, skin diseases and diseases rheumatic diseases. This vitamin also acts in the formation of bones, skin, hair and nails.

Does vitamin A for acne work?

The purest form of vitamin A is retinol, which has high antioxidant power and is widely used in the cosmetic area, participating in the composition of different products such as creams and body oils. Several researches show that vitamin A acts in the regeneration of the skin, aiding in the combat of the signs generated by the precocious aging.

Over the years, the skin will lose the collagen, which is important to maintain natural elasticity, flexibility and firmness. Among the many functions of retinol, this helps to maintain the moisture of the skin, promoting the recovery of the same, favoring the cellular regeneration of the epithelial tissue and leaving the skin with a younger and more beautiful appearance.

This vitamin is very important for a group of cells known as keratinocytes, which represent 95% of the cells present in the epidermis, the outermost layer of the skin.These cells keep the nerves and blood vessels in place and create a protective barrier between the inside of the body and the outside world. Keratinocytes can release substances essential to the immune system in protecting against germs entering and also preventing the entry of toxins.

Vitamin A preserves health and helps in the longevity of skin and mucosal cells. This vitamin also normalizes the process of keratinization, penetrating the skin, leaving the skin smoother and softer, reducing dryness, in addition to reducing the scaling of the scalp.

We can say that taking vitamin A for acne works, therefore, and it is widely used for the treatment of this problem.

Acne is a disease with genetic predisposition and hereditary tendency. The manifestations of acne are directly related to the presence of the sex hormones and the first symptoms begin to appear in the puberty, period in which the hormones begin to be produced by the organism. Research shows that a balanced, nutrient-rich diet can help reduce acne symptoms.

Vitamin A treatment for ance is not as effective for oily skins as it contains a natural amount of moisture. Despite this, all skin types need to have adequate nutrition, and if they are deficient in vitamins, they may present problems.

It is possible to consume vitamin A through foods such as butter, liver, vegetable oils, among others, or even through vitamin A supplements.

  • See more: Foods rich in vitamin A.

How to treat acne with the use of vitamin A?

There are several types of vitamin A found in skin care products. Vitamin A for acne is most commonly used in the form of treatment as retinoic acid. Retinoic acid, also known as Tretinoin, is a substance derived from vitamin A that is widely used in the treatment of the skin, helping to reduce blemishes, soften wrinkles and treat acne.

This substance has properties able to improve the quality of collagen, increase firmness, decrease oiliness and also improve skin circulation. Retinoic acid is the form of vitamin A for acne that the body most absorbs, having ease of binding at various receptor sites in the cells of tissues throughout the body.

Retinoic acid can be purchased in pharmacies for manipulation, in doses ranging from 0.01% to 0.1%, indicated in dermatologist prescription, according to the needs of each patient. Retinoic acid can be used to perform chemical peeling, in concentrations usually between 1% to 5%, and is used to exfoliate the skin, forming a new layer of healthier skin.

This acid can be found in pharmacies also under the following trade names: Vitacid, Suavicid or Vitanol A, in addition to being handled in specific pharmacies. The price of retinoic acid varies according to the brand of product, concentration and quantity, and can be found with values ​​between 25.00 and 100.00 reais per product.

Use of retinoic acid may have some unwanted effects. The most common are application site redness, skin exfoliation, burning sensation at the site of application, dry skin, small lumps or spots on the skin, local swelling among other symptoms.


Vitamin A is a micronutrient widely found in many sources of animal and plant origin. The three forms of this vitamin in the body are retinol, retinoic acid and retinaldehyde. The main foods containing vitamin A are liver, milk, egg yolk, pumpkin, carrot, spinach, cabbage, among many other foods.

Vitamin A for acne works and is widely used as retinoic acid. This substance derived from vitamin A that is widely used in the treatment of the skin, helping to reduce blemishes, soften wrinkles and to treat acne.

Have you tried using some vitamin A product for acne? Did you have good results? Comment below!