Ascorbic Acid: meet the aesthetic uses of Vitamin C
Ascorbic acid is the chemical name of Vitamin C and as it is called is when it is used in makeup cosmetics. With its differentiated molecule to increase its chemical stability, it can be called ascorbic phosphate, ascorbyl palmitate, ascorbyl glucoside.
Ascorbic acid, unlike hyaluronic acid, does not exist naturally in our skin. But its synthetic version, that is produced in the laboratory, it is used to prevent photoaging of the skin and stimulate collagen production.
Ascorbic acid has antioxidant, fighting free radicals and thus preventing and delaying aging. Another function of it is to stimulate the production of collagen of the skin, reducing sagging. In addition, it operates in the melanocytes, the cells that store melanin, and uniform skin color.
Ascorbic acid protects the skin in its deeper layers. Its effects include decreased photoprotection of erythema (redness), decreases changes in cellular and DNA level also reduces the appearance of spots, reduces skin cancer and aging.
Therefore the ascorbic acid is used to prevent damage caused by exposure to ultraviolet radiation and is applied in many after-sun cosmetic products. It is also used in anti-aging treatments, to stimulate the synthesis of collagen in the treatment of melasma, white streaks and laser-treated postoperative erythema.
For aesthetic use ascorbic acid can be used either as creams consumed by effervescent tablet as tablets, hard capsules, juices fortified foods.
In the case of creams with ascorbic acid, the concentration of the substance varies. There are scientific studies that report the concentration of 3 to 5% of the vitamin product, but other research has shown a higher concentration results are more effective on collagen and melanocytes. On the market are products with concentrations ranging from 5% to 20% of vitamin C.
Scientific studies show that the result of the use of vitamin C in the skin depends on its formulation characteristics. Although the market has a wide range alternative, there are few companies that offer studies with features from the pH, which should be below 3.5 to penetrate the skin and the maximum concentration to permeate the skin should be 20%.
The application of frequency varies: there are products that can be applied twice a day morning and night, as others in which the ascorbic acid has undergone a specific process and has gradually release, so recommends the use once a day. It is always important to see the product usage recommendations or details of the dermatologist.
When ascorbic acid is used in serums, treatment is the same for the use of any skincare product: it is well to be cleaned before application.
No special care is needed after use of ascorbic acid.
The use of ascorbic acid is contraindicated who are hypersensitive to the product constituents.
Pregnant are not contraindicated to use creams with ascorbic acid, can even use them as medical recommendation to treat melasma of pregnancy.
Topical administration of ascorbic acid does not present risks to health, but it is important to emphasize that the association with other products may cause allergies in patients and other adverse reactions.
The topical use of ascorbic acid will bring a brighter skin moisturized, Lush, firm, uniform in color. In addition, she fights radicals that accelerate aging of the skin, thus slows aging. Its use is of utmost importance to prevent deep cellular changes.
daily sun protection Ascorbic acid helps to combat the effects of ultraviolet rays on the skin and have adequate sun protection also helps minimize the effects of these rays. It is recommended that all people daily use a sunscreen with at least FSP 30 and reapliquem throughout the day.
Studies show that the use of FPS against UVA and UVB rays, operates at 55% in the fight against free radicals and antioxidant when used as Vit.C its action is much broader.
balanced diet Food also influences the health of the skin, and its appearance. Prefer unsaturated fats from foods like olive oil and fish, and avoid saturated fats such as those present in sweets and fried foods.
Stop Smoking Cigarette smoking is associated with aging, it releases many harmful substances that increase the formation of free radicals, which causes greater and earlier formation of wrinkles.
Reviewed by dermatologist Daniela Landim (CRM: 106025), postgraduate degree in aesthetic medicine
Pharmaceutical Priscilla Miagui, cosmetologist of Idealfarma