To achieve the effect of sunscreen products, it is necessary to use sunscreens. These sunscreens are the main ingredients of sunscreen. At the same time, these sunscreens also have side effects that we don't know. Therefore, it is very important for us to understand sunscreen ingredients.
Commonly used sunscreens
At present, the sunscreens used in sunscreen products are divided into physical sunscreens and chemical sunscreens. Physical sunscreens are also called ultraviolet shielding agents and can also be called inorganic sunscreens.
Physical sunscreen, the principle of sunscreen is to reflect and scatter ultraviolet rays by forming a protective coating on the surface of the skin. Its commonly used ingredients are mainly metal oxides. Currently, titanium dioxide and zinc oxide are mainly added in the market. Their advantages and disadvantages are very obvious. The advantage is that they have good light stability and no direct irritation to the skin. However, because of the large particles, they have problems such as whitening and thickening and clogging of pores. The feeling of use is relatively general. The point is Compared with chemical sunscreens, it is safer.
Chemical sunscreens have different sunscreen principles from physical sunscreens. They absorb ultraviolet rays through compounds and then convert them into other less harmful energy to be released.
Compared with physical sunscreens, chemical sunscreens have the advantage of refreshing texture, which is more skin-friendly, but they are more irritating to the skin.
At present, OMC, benzophenone-3, avobenzone, and octocrelin are commonly used in the market.
OMC, also called ethylhexyl methoxycinnamate, has low skin irritation, but its safety is currently controversial. Most experiments are performed on mice, and the risk has not been confirmed.
Benzophenone-3, a commonly used sunscreen ingredient in the past, has a relatively high risk, is more irritating to the skin, and can easily cause allergies. Pregnant women and children cannot use sunscreen products with this ingredient.
Avobenzone is a component with low photostability and sensitive to sensitivity, and it is also a component that requires more caution.
Oakleylin cannot achieve full-range sun protection. Although it does not irritate the skin, long-term exposure to sunlight will release oxygen free radicals. Excessive use can also cause skin aging.
Common sun protection patented technology
Below, I will take stock of some sunscreen technologies or patented technologies developed and used by our common brands.
Wheat color filter technology, which is a patented sunscreen technology developed by L'Oréal itself, contains two patented sunscreen ingredients: SX and XL, which are widely used by L'Oréal in its own cosmetics. It is a full-band UV sunscreen filter system.
Intensive mesh screen sunscreen technology, compared with traditional sunscreen, it forms double-dense protection through hydrophilic and lipophilic dual-phase sunscreen, just like a mesh screen to filter ultraviolet rays, so its sunscreen ability is more powerful, Nivea Its sunscreen products use this technology.
Avon’s patented blocking technology, also known as MCX-UV blocking technology, blocks UVA, UVB and environmental damage, and enhances its sun protection ability compared to traditional sun protection.
The particle coating technology, which contains sunscreen ingredients of Tianlai Shi S, is a kind of ultra-fine organic particle sunscreen, which is used in sunscreen products like kose, which can effectively enhance the sun protection ability.
Well-known brands will have their own unique sun protection patented technologies. These are used in sun protection and can help us resist the threat of ultraviolet rays. On the other hand, we must have an understanding of sunscreen ingredients and try our best for those with higher risk. Do not choose, although the risk is related to the size of the additive, the original hazard cannot be ignored.
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