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Up to now, many people still cannot distinguish between physical and chemical sunscreens. Let’s explore right in this article.
How to distinguish between physical and chemical sunscreens?
Although it is extremely popular, not everyone knows how to distinguish between physical and chemical sunscreens. This is not just an identification to know but is actually an important knowledge, helping you choose the type that is more suitable for your skin. It may not be a thousand-step skincare routine, but sunscreen is indispensable.
Correct sunscreen is inseparable from anyone, whether it’s sunny or rainy, whether it’s winter or summer. The cream not only helps make your skin less dark, but also protects against blue light and harmful ultraviolet rays from the sun, which have many hidden dangers that you cannot predict.
There are countless hot hit sunscreens on the market today, but choosing the right one is not simple at all. Depending on skin type, needs, cream quality, ingredients, it is suitable for different people. Join the Comparison Web to distinguish between physical and chemical sunscreens so that your journey to choosing the right sunscreen will soon reap success!
Look to see if your sunscreen bottle contains two substances: titanium dioxide and zinc oxide. If there is any, it is a physical sunscreen because chemical sunscreens do not have this ingredient. They are substances that create a barrier on the skin that eliminates and reflects UV rays from the sun that directly reach the skin.
Advantages of physical sunscreen
The first is to protect the skin from UVA and UVB rays. This cream works immediately after use on the skin, does not take time to absorb. Physical sunscreen is durable for a long time when the skin is exposed to sunlight. But you have to rule out humidity or water. This type causes little skin irritation and is suitable for even sensitive skin. For those whose skin is susceptible to heat irritation such as burns and irritation, physical sunscreen will make your skin much softer.
What are the disadvantages?
Of course, both physical and chemical sunscreens have disadvantages. With the physical type, it will quickly wash off when the skin secretes oil and sweat. That means physical sunscreen should only be used indoors. Outdoor activities will cause the cream to not be able to stay on the skin, so you have to apply a new layer of cream. The cream is usually white in color and does not penetrate the skin, so it is a bit disadvantageous for people with dark skin to use it. The cream is thick and stuffy, sometimes making pores less clear.
The ingredients will contain organic substances such as octinoxate, oxybenzone, avobenzone… The mechanism of the cream is to create a chemical reaction, change ultraviolet rays into heat and release it, thereby protecting the skin. The way this works is by chemical absorption.
The advantage is that the cream is thin and light, absorbs and spreads quickly, suitable for use every day. The cream easily combines with other skin care essences.
There are quite a few disadvantages. First, it will easily cause brown spots on the skin. Next, you must apply it 20 minutes before going out in the sun. The cream increases the possibility of irritation, so those with dry skin lacking moisture should be even more careful. The cream has a high SPF index, good protection but be careful with sensitive skin. The cream is not stable under direct sunlight and needs to be reapplied every 2 hours. Not suitable for skin irritated by heat because the cream converts UV rays into heat, which can cause skin redness.
It is difficult to say which type of physical or chemical sunscreen is better. There is also no cream suitable for all skin types. Select the advantages and use them. Currently, there are also physical and chemical hybrid sunscreens. If you want to learn more, update now at Comparison Web.
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October 4, 2024
