Hydroquinone is a chemical commonly used as an ingredient in face creams. because it has the ability to inhibit the melanin production of the skin Also known as melanin, using products containing hydroquinone may help fade acne scars, melasma, and dark spots. and make the skin color more even But if used without caution may be harmful to the skin.
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However, the Food and Drug Administration (FDA) requires that hydroquinone be mixed in less than 2% of commercially available products and in Thailand. Hydroquinone is prohibited from being added to commercial skin care products. unless the doctor prescribes it to the patient This is because using hydroquinone-containing creams without medical supervision or for prolonged periods of time can irritate the skin and cause persistent, bluish-black blemishes. and may be at risk of skin cancer Learn how hydroquinone works and how to use it properly and safely in this article.
How does hydroquinone help to even out skin tone?
Melanin is a pigment produced by melanocytes. Generally, the amount of melanin depends on the genes or units that control a person’s genetic traits. People with high pigment counts have a darker skin tone, hair color, and eye color than people with low pigment counts. In addition, other factors such as hormonal changes in the body. and exposure to UV rays from sunlight for a long time May stimulate the body to produce more pigment. and cause uneven skin tone problems such as freckles, freckles and dark spots
Hydroquinone inhibits the activity of the enzyme tyrosinase (Tyrosinase) in melanocytes. Thereby reducing the process of melanin production and helping the skin to look whiter. However, using a product containing hydroquinone to treat melasma, freckles or dark spots may take at least 1 month to begin to see results. and may need to be used continuously for several months for effective results.
However, commercial face creams often contain more hydroquinone than the prescribed limit. And prolonged use of hydroquinone can cause side effects on the skin.
How to use hydroquinone safely?
The Food and Drug Administration (FDA) has banned the use of hydroquinone as an ingredient in commercially available cosmetics. By prescribing the mixture of hydroquinone to treat melasma not more than 2% prescribed by a doctor only. If you see a skin product that does not have a Thai label. not show manufacturer and date of manufacture Should not buy such products to use.
Hydroquinone should be used with caution under the supervision of a doctor and always read all prescription labels. An allergic reaction should be tested by applying a small amount of hydroquinone to the skin of the inner forearm before use. To monitor for potential side effects within 24 hours, if you experience itching, redness, or other unusual symptoms, hydroquinone should be discontinued. and consult a doctor
If tested, there is no allergic reaction. Hydroquinone can be used in the following ways:
– Clean your face and pat dry before using Hydroquinone.
– Apply a thin layer to the skin with melasma, freckles and dark spots. Gently massage to allow the drug to absorb into the skin. Apply twice a day or as directed by the doctor. And apply as the first step before using other skin care products.
– Hydroquinone should not be applied to other parts of the skin. especially in areas with a thin layer of skin around the eyes and mouth
– Wash your hands after every application. To prevent skin contact with other areas that cause irritation. or touching clothes that may leave stains or stains on the clothes
– Apply sunscreen and wear sun protective clothing before leaving the house. This is because hydroquinone can make your skin more sensitive to light.
Precautions and side effects from using hydroquinone
In general, the use of hydroquinone at the appropriate concentration and duration as recommended by a physician is unlikely to cause an allergic reaction. But in the early stages of use it can cause dryness, redness, burning, and itching. In addition, people with the following factors may be at higher risk of side effects after using hydroquinone.
– People with dry or sensitive skin Irritation may improve after the skin has adapted to the hydroquinone.
– Pregnant and nursing women should not use products containing hydroquinone.
– Other skin medications such as benzoyl peroxide, hydrogen peroxide, and hydroquinone. May cause black marks on the skin.
– Using products that contain harsh chemicals such as soaps, shampoos and hair dyes. or products containing alcohol and substances that have astringent effect (Astringent), etc.
– Long exposure to UV rays from sunlight and sunbathing booths.
However, if using hydroquinone and have allergic reactions such as red rash, itching, blisters, peeling skin, wheezing, difficulty breathing and swallowing, face, mouth, tongue and throat swelling, including those with severe skin irritations such as dry, cracked skin. Blisters, bleeding on the skin and the skin turns darker Stop using hydroquinone and seek immediate medical attention.
Hydroquinone is a substance that inhibits the process of skin pigmentation. Thus helping to whiten the skin. However, buying products containing hydroquinone to use yourself May cause long-term harm to the skin such as white spots, permanent blemishes and if used continuously for a long time may also be at risk of skin cancer Therefore, it should only be used under the supervision of a physician. People with sensitive skin, pregnant women or breast-feeding, consult your doctor before using hydroquinone. for safety