Market performance
Sell 27,000 boxes in 30 minutes.
The monthly sales of celebrity endorsement brands exceed 65,438+10,000.
Some nearsighted people will choose contact lenses for beauty, but long-term wear is prone to discomfort such as dry eyes. In view of the market awareness of "hyaluronic acid" in hydrating and moisturizing, many businesses sell hyaluronic acid beauty contact lenses, among which there are many keywords such as "having the function of locking water, making eyes more moist and comfortable".
It is also claimed that the product R&D team has completely unlocked the water-retaining effect of hyaluronic acid, so that cosmetic contact lenses containing hyaluronic acid can show 1000 times water absorption as much as possible, realizing the extrasensory experience of keeping eyes moist and breathing freely for a long time, and also obtaining the international health efficacy certification.
From the perspective of sales ranking, it ranges from several hundred to tens of thousands. Among them, the monthly sales of a hyaluronic acid beauty contact lens product endorsed by a star exceeded 65,438+10,000.
Merchant statement
The family is inconsistent.
There is no proof that the lens contains hyaluronic acid.
Many merchants say that hyaluronic acid cosmetic contact lenses are new products, but there are different opinions about where hyaluronic acid exists. Some claim that the lens contains hyaluronic acid, but the principle of action has not been reduced. Others say that the lens preservation solution contains this ingredient. "Cosmetic contact lens itself does not contain hyaluronic acid, so the ingredients on the package will not write hyaluronic acid." The customer service of a celebrity endorsement product explained.
In the studio, an anchor is selling contact lenses. When asked if there were hyaluronic acid beauty contact lenses, the anchor immediately recommended this product as their special beauty contact lenses for black technology. You can see the product patent certification from the customer service office. The so-called hyaluronic acid cosmetic contact lens does not contain hyaluronic acid in the lens, but adds hyaluronic acid water molecules to the preservation solution and adheres to the surface of the lens. After wearing it, it can lock water, moisturize eyes and prevent dry eyes.
search out the truth
This is just a publicity stunt of the merchants.
Beauty contact lenses actually don't need hyaluronic acid.
Is the cosmetic contact lens preservative solution containing hyaluronic acid, or is the cosmetic contact lens itself added with hyaluronic acid? Can these two ways really make your eyes moisturized?
Wang Shulin, deputy chief physician of Henan Eye Hospital, also said that the so-called "cosmetic contact lenses" are medically called colored soft contact lenses. It should be emphasized that contact lenses belong to three types of medical devices. At present, there is no process of adding "hyaluronic acid" to "cosmetic contact lenses". Even if it is technically possible, it is not necessary.
"Because technically, the materials used to make soft contact lenses need to achieve appropriate water content and good oxygen permeability, so that they are more comfortable to wear. At present, the commonly used materials are silicone hydrogel and 2-hydroxyethyl methacrylate. In other words, the water content of soft contact lenses should be moderate, not the higher the better, so there is no need to add sodium hyaluronate or sodium hyaluronate. " And said that adding "hyaluronic acid" to "beauty contact lenses" is nonsense and belongs to the gimmick of "taking it for granted" after stealing the concept.
Similarly, he thinks that Wang Shulin also thinks that it is unreasonable for some merchants to say that "the preservation solution contains hyaluronic acid, which can be dissolved in the lens to achieve moisturizing effect".
He introduced that the surface of contact lenses is actually cleaner and smoother, and the chemical components in the preservation solution can play a certain role in moisturizing and disinfection. If "hyaluronic acid" is added to the preservation solution, it may not be harmful to moisturizing, but "hyaluronic acid" will definitely not dissolve in the lens.
Dr. Yun Orfila, a doctor of food engineering, said that in the promotion of hyaluronic acid food, it is often seen that "according to many studies, hyaluronic acid can improve the moisture of human skin by oral administration of hyaluronic acid through food, health food, etc., and has the functions of anti-oxidation, improving joint function, osteoporosis and repairing gastric mucosal damage. And it is highly safe. "
He believes that this kind of "multiple studies" is just an expression, and there are very few really rigorous and reliable human experiments. On 20 12, a company filed an energy efficiency claim for "oral hyaluronic acid skin care" with the European Food Safety Agency (EFSA), which was rejected by the EFSA expert committee. The evaluation conclusion is "no human experiment supports the claimed function" and "there is no causal relationship between oral hyaluronic acid and skin care".
Ma Guiji, a lawyer of Beijing Skyworth Law Firm, said that operators should provide consumers with information such as the quality, performance, use and expiration date of goods or services, which should be true and comprehensive, and should not make false or misleading propaganda. It mainly focuses on the concept of hyaluronic acid, which is called "hyaluronic acid cosmetic contact lens" in the publicity, but it is not clearly marked in the composition. This kind of operation of merchants is not only easy for consumers to misunderstand, but also suspected of fraud.
Co-ordination/Zhang Bin
scientific popularization
What is hyaluronic acid?
According to experts, hyaluronic acid was isolated from bovine vitreous by American scientists in 1934, and its chemical structure was later identified as a mucopolysaccharide.
There is a certain amount of hyaluronic acid in animals, such as bovine eyes and cockscomb flowers. Hyaluronic acid was isolated from these tissues at an early stage. Hyaluronic acid sold in the market now is produced by fermentation, which can be produced on a large scale at low cost and has a widely used basis.
Hyaluronic acid's "talent" is its strong water absorption. Macromolecular hyaluronic acid can absorb 65,438+0,000 times the weight of water, forming an extremely fine and lubricated gel. This feature makes it applicable to various ophthalmic operations, such as lens implantation, corneal transplantation and anti-glaucoma surgery. In addition, it can also be used for arthritis and skin care by injection.
Yanwu, chief physician of dermatology department of Peking University First Hospital, introduced that 50% of hyaluronic acid in human body is distributed in skin, and hyaluronic acid has strong water absorption capacity, which can be combined with water with its own weight 1000 times. At present, hyaluronic acid is indeed an "online celebrity" ingredient in cosmetics.