Does the facial cleanser deeply cleanse the skin? Does a facial steamer replenish moisture to the skin? Is beauty 'black technology' really useful?

The facial cleanser deeply cleanses the skin, the introduction device deeply introduces skincare products into the skin, and the facial steamer replenishes moisture for the skin... These are all familiar to beauty lovers, but how effective are these products when used? Is it really as advertised by the merchants? Actually, some beauty products are not suitable for everyone.

Cleansing device: frequent use can easily damage the skin barrier

Makeup is a necessary course for beauty conscious women every day, and cleanliness is essential. Usually, facial cleansing involves squeezing facial cleanser on the hands, adding water to create foam, then applying it to the face, and finally rinsing it off with water. Beauty enthusiasts are concerned that incomplete cleaning can lead to closed mouths, blackheads, acne, and other issues. In response to the problem of incomplete cleaning, many businesses have now released facial cleansers. There are many types of facial cleansers available on the market, such as sonic cleansers, electric cleaners, and electric face washers. Some are brush type, while others are silicone type.

This type of cleaning equipment is not suitable for everyone, frequent use can damage the skin's protective barrier, "said Dr. Liu from the dermatology department. When washing your face, while taking away oil, it can also take away old dead skin cells. Whether it's a brush type facial cleanser costing tens of yuan or a facial cleanser costing thousands of yuan, they all use physical methods to remove dead skin cells, making the skin look smooth and tender. The skin itself has a protective barrier, which is the stratum corneum. With this barrier, the skin can block the stimulation and damage of the external environment, and "lock" the moisture inside. But if you frequently use products such as facial brushes, both old and normal keratin will be brushed off, the skin will become thinner and more sensitive, the sebum film will be damaged, the skin's acid-base balance will be disrupted, and various skin problems will come to you for trouble. Especially for people with thin stratum corneum, it is not recommended to use it. If you use a facial cleanser every day, it will cause excessive cleansing of the skin, resulting in thinning and making the skin more sensitive and fragile.

Massage device: has a relieving effect on edema

For women with large faces, slimming their faces is the ultimate goal, and there are many slimming devices on the market. The most popular one is the slimming massager with two rollers, which can be said to be a star product on social media. This massager claims to have micro current and simulates kneading techniques through rollers to achieve the effect of slimming the face, making the skin firmer and more elastic, while also achieving lifting and lifting effects.

A micro electric current massager is a device in which a very weak current flows, stimulating blood circulation. The current is so weak that you hardly feel anything. The concept of microcurrent itself has a lot of ambiguity, and it is difficult to determine the specific amount of current that can be reached and how much it actually acts on the skin. The effect of slimming the face through massage is still somewhat exaggerated, after all, massage alone cannot burn fat or shrink muscles and bones. If there is some swelling on the face in the morning, a slight massage with a massager may help alleviate the swelling, but if the large face is caused by loose skin, then this massager cannot help you. Because the tightening of the skin relies on the support of subcutaneous collagen and fibers, it is unlikely that collagen and supporting fibers can be regenerated with a massager, "said Dr. Liu from the dermatology department.

The ultrasonic export and import device is also advertised as being able to "shatter" the molecules of skincare products, allowing the skin to better absorb nutrients, enhance skin metabolism, help the skin eliminate toxins and residues, and reduce skin pigmentation, aging, and other problems. Home beauty equipment belongs to daily small household appliances and can only be used for daily maintenance and care. Compared with the beauty equipment used in hospitals, there is a fundamental difference in effectiveness. Another type is the radio frequency massage instrument, which applies gel and other skin care products on the beauty instrument and massages and absorbs them on the skin to achieve the effect of lifting, tightening and promoting collagen regeneration. In professional medical beauty institutions, the use of radiofrequency technology can stimulate collagen regeneration. However, the technology and power of household radio frequency generators are far from meeting the professional level requirements, and it is unlikely to achieve significant improvement effects.

Facial steamer: Moisturizing is only temporary

As the name suggests, a facial steaming device is a beauty equipment used for steaming the face. This device can generate a large amount of moisture, and by placing the face close to the device, it can provide sufficient moisturizing for the skin. Compared to skincare products, steam can indeed open pores, but experts say that hydration is only temporary. In the dry season, dehydration is very easy to occur, resulting in cell shrinkage. At this time, whether you apply a wet towel to your face or apply a layer of facial mask, your facial skin can be temporarily filled, so that it looks bright, clean and tender. But it is completely impossible to "hit" the so-called skin through a facial steamer.

Pay extra attention to the temperature when using a facial steamer, as excessively high temperatures can cause significant damage to the skin. In addition, there are also claims that long-term use of a facial steamer for hydration can actually make pores larger. It is recommended to use a facial steamer to steam the face and then apply cold water to make the pores shrink. And people with dry and sensitive skin should use face steamers with caution, because after a short period of moisture, dry skin will feel drier, while sensitive skin may become redder and even experience allergic reactions.

Tooth whitening device: Improper use of medical equipment damages gums

The cold light teeth whitening device is also another popular product in social media. It is understood that the cold light whitening machine is a medical device that achieves teeth whitening by irradiating teeth coated with whitening agents. The "Notice on Classification and Definition of Medical Nebulizers and Other Products" issued by the former National Food and Drug Administration clearly states that the cold light whitening machine is managed as a second-class medical device. In the Announcement on the Release of the Classification Catalogue of Medical Devices, a detailed explanation was given for teeth bleaching equipment, which generates cold light in a specific wavelength range to irradiate the bleaching agent applied to the surface of teeth, causing the bleaching agent to undergo photocatalytic oxidation-reduction reaction. Through catalytic bleaching agent chemical reaction, teeth are bleached, and it is once again clarified that it is managed as a Class II medical device.

Experts say that regular medical institutions will apply isolation agents on the gingival margin, rather than professionals doing it at home, which can easily cause gum damage, make the gums very sensitive, and even lead to gum diseases. And not everyone is suitable for cold light teeth whitening. Teenagers under 15 years old and those with underdeveloped enamel are not suitable for teeth whitening; People with dental caries, wedge-shaped defects, and other issues need to have their teeth filled before whitening; People with gingivitis and other oral diseases should first undergo treatment before considering whether they can accept teeth whitening.

Focused ultrasound fat reducer: can only be used for specific populations

Losing weight is an eternal topic for every woman. For those who want to lose weight but cannot control their diet and do not want to exercise, they often choose to use instruments for weight loss. Here we take a look at the focused ultrasound fat reducer, which uses a transducer to generate ultrasound waves that directly penetrate the skin and focus in a certain depth of subcutaneous fat layer. By utilizing the mechanical and cavitation effects of ultrasound waves, it destroys the fat cells in the subcutaneous fat layer of the abdomen, causing them to crack and break into cell fragments and free fat. Cellular debris is engulfed by phagocytic cells, and free fat is metabolized in the liver through lymphatic and blood pathways. Focused ultrasound fat reducer uses high-energy focused ultrasound to destroy the fat cells in the subcutaneous fat layer of the abdomen.

Focused ultrasound fat reducer is a third category of "medical device" under management, with a clear scope of application, and not everyone can apply it. Focused ultrasound fat reduction device is suitable for patients with simple local obesity and subcutaneous fat accumulation in the abdomen. The patient's age should be between 18-65 years old (some products are between 18-55 years old). Body mass index (BMI) ≤ 28kg/㎡ (some products have BMI ≤ 30.0kg/㎡), liver and kidney function are normal for weight loss patients, and the subcutaneous fat thickness in the planned weight loss area of the abdomen should not be less than 2cm (some products have a BMI of 2.45 or 2.2cm). People with a BMI exceeding 28kg/㎡ who rashly apply it may increase the burden on liver metabolism; People with subcutaneous fat thickness less than 2cm may experience therapeutic transient pain and unexpected normal tissue damage on the muscle membrane or periosteum.

The use of focused ultrasound fat reduction devices belongs to medical cosmetic behavior and should be used by trained and qualified clinical physicians in medical institutions. Before surgery, the patient needs to undergo a comprehensive medical history, physical examination, and other tests deemed necessary by the doctor to confirm that their health condition is acceptable for treatment. And develop a treatment plan based on the specific situation of the patient. During the operation, the doctor will adjust the treatment plan in real-time based on the patient's condition and provide appropriate treatment in case of emergencies. In addition, treatment should strictly follow the cycle and the treatment interval should not be shortened without authorization.