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In the beauty community, Azelaic Acid is considered a panacea in the treatment of acne for the skin. So what is this active ingredient and is it really good? Let’s find out with Cfis.edu.vn.
What is Azelaic Acid?
Azelaic Acid has the chemical formula HOOC(CH2)7COOH. This is a saturated dicarboxylic acid found in barley and wheat.
In the European Union countries, Azelaic Acid is considered a cosmetic ingredient that can be freely used, with no concentration restrictions . In the US, this active ingredient is required no more than 15-20% in pharmaceuticals and cosmetics.
However, in Vietnam and Southeast Asian countries, Azelaic Acid is banned in cosmetic production and can only be used to produce cosmetic drugs.
How does Azelaic Acid work on the skin?
Azelaic Acid is often used in the treatment of inflammatory and non-inflammatory acne, dark spots, brown spots, redness (rosacea),… This active ingredient has anti-inflammatory, antibacterial and normalizing properties. chemical in the skin. It works by killing the acne-causing bacteria that infect the skin pores.
Uses of Azelaic Acid
Treat inflammatory acne caused by bacterial infection
Compared to other acne products, the product containing Azelaic Acid has the ability to penetrate deep into the pores and thoroughly eliminate the bacteria in the hair follicles , thereby reducing inflammation in the skin.
Some studies have shown that using 20% Azelaic Acid for acne is as effective as 0.05% tretinoin. In addition, Azelaic Acid is benign and suitable for more sensitive skin.
Reduce blackheads, hidden acne
Azelaic Acid has a natural exfoliating effect, thereby removing dead skin cells and limiting oil secretion on the skin . As a result, facial skin will limit the ability to form whiteheads and blackheads.
Elewski et al conducted a trial using Azelaic Acid at 15% concentration for 15 weeks. Research shows that Azelaic Acid is more effective than using 0.75% metronidazole – a drug commonly used in the treatment of rosacea.
Using Azelaic Acid also works wonders in fading dark spots, freckles, brown spots on the skin caused by acne scars , thanks to the mechanism of breaking down the dark pigmented structures. The use of 20% Azelaic Acid will bring about the same effect as 2-4% hydroquinone – a fairly common skin whitening agent.
How to use Azelaic Acid effectively?
Before using Azelaic Acid, you should remove makeup and clean your skin . In addition, each time you use, you should only use a dose of about 1 knuckle for the whole face and use it before applying lotion . If you have sensitive skin, you can use Azelaic Acid after your moisturizer.
If Azelaic Acid comes in gel form, when using Azelaic Acid in the morning, you should apply moisturizer first and then sunscreen . This will prevent the skin from drying out and caking the sunscreen.
When starting to use, you should use test first on the skin of the jaw, and alternately use 2-3 times a week to see if your skin is suitable for Azelaic Acid or not.
Besides, according to some studies, the time this active ingredient shows significant results in the treatment of inflammatory acne is about 4 weeks and in the treatment of pigmentation disorders is 6 months after use.
Precautions while using Azelaic Acid
Before taking Azelaic Acid, you should consult and inform your doctor or pharmacist if you are allergic to Azelaic Acid or other medications.
Inform your doctor or pharmacist of all prescription and nonprescription medicines you are taking and any health problems you are having.
If you are pregnant, planning to become pregnant or are breast-feeding, you should consult your doctor.
Azelaic Acid will likely cause changes in your skin tone, especially if you have a darker complexion. Therefore, during use, if there is any change in skin color, you need to immediately notify your doctor or pharmacist.
It is recommended to use products containing Azelaic Acid with low to high concentrations to allow the skin to slowly adapt to the product and limit irritation on the skin.
Hopefully with the above information, Cfis.edu.vn has helped you understand more about Azelaic Acid and know how to use this active ingredient appropriately!
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