2010/01/14

The effectiveness of the role of great skin care vitamins

In the health food and nutritional supplements fortified with vitamin ingredients, has been widely familiar and accepted. In recent years, the market more and more skin care products contain a variety of vitamins, and even introduced to the main component of vitamin products.

Especially vitamin A and C, often in different brands of products appeared. Members of the vitamin in the cosmetics may play a role is less clear. Below we will thin about the relationship between vitamins and skin care.

Vitamin Overview

Vitamin, the Chinese translation of vitamins, Hong Kong and Taiwan usually referred vitamin is an essential human nutrient. It is named by Polish scientists, Fonck, meaning "life-sustaining nutrients." Vitamins in the human body contains a small amount, but the physiological role of the large, absolutely can not do without. Because the vitamin is often a number of important enzymes in vivo supporting elements involved in a wide range of biochemical reactions, the decision of some very important metabolic process. It can not be synthesized in the human body, or can not be synthesized in sufficient quantities to be supplied by the outside world. Once the lack of certain vitamins, the body, without exception, the appropriate metabolism occurs, and show clinical symptoms.

According to the dissolution properties of vitamins, vitamins can be divided into two categories: fat-soluble vitamins and water-soluble vitamins. Fat-soluble vitamins including vitamins A, D, E and vitamin K. Water-soluble vitamins, including vitamin C and B vitamins. Because of the outside layer of the skin's sebum film the naked eye can not see, for external use skin care products, the skin can absorb one of the essential fat-soluble nutrients. For water-soluble vitamins, has not because of its light and heat stability, so in most cases, added to the skin-care products in water-soluble vitamins are improved handling, such as vitamin C use of its derivatives, on the one hand to maintain stability, on the other hand beneficial to the skin absorption.

Skin Care and Vitamin A

Vitamin A as a light yellow oil solution, or a mixture of crystals and oil. It exists only in animal foods; plant in carotene absorbed by the body, may in the body into vitamin A. Vitamin A skin layer of the skin has a protective effect, and to maintain their functioning in a normal state. The absence will cause the skin dry, horny metabolic disorders, leading to the accumulation of dead skin cells. Specifically, vitamin A to the skin has the following main effects:

1. Carotene (vitamin A precursor substances in the body can be transformed into vitamin A) in the body from a different part of the cells against oxidative free radical damage, strengthen the body's antioxidant capacity to reduce free radical damage.

2. This will help maintain the skin soft and plump, improving the skin function of the lock the water.

3. Have more significant effects of anti-horny, and can delay skin aging, skin cell division and developmental aspects of the adjustment.

4. Will help carry out local treatment of acne and the prevention of rough skin, chapped, chilblains, and dandruff, etc..

5. Helps to enhance metabolism, to keep the skin younger state.

Of vitamin A, based on the above-mentioned functions, it is moisturizing, conditioning and anti-aging skin care products in the category have been widely adopted.

Skin Care with Vitamin C

1. Excellent anti-oxidants to help reduce free radical damage to the skin, help reduce wrinkles and improve skin structure.

2. Inhibit abnormal skin pigment deposition, as well as tyrosinase activity and help dopachrome (tyrosine transformed into melanin intermediates) reduction, thus reducing the formation of melanin.

3. Is mainly used for synthesis of collagen. Experiments show that the skin cells in culture by adding vitamin C, can significantly increase collagen synthesis.

Because vitamin C has a superior efficacy of the above, it is widely used in whitening and anti-oxidant skin care products.

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