Generally speaking, the choice of SPF 15 ~ 30 of sunscreen on the skin sunscreen role has been enough, even in the ultraviolet radiation particularly strong weather, use the logo for products that can SPF30 no worries. But sometimes we still encounter the following problems, even if the highest coefficient of the use of sunscreen products will continue to skin sunburn.

It turned out that the effect of sunscreen mixed with more than a factor of sunscreen, and more with the actual applied sunscreen is closely linked to volume. Experts point out that in order to achieve the determination of sunscreen sunscreen achieve results, the volume of its provisions are applied 2mg/cm2. While the survey shows that the average consumer, the actual usage of only 0.5mg/cm2.

Scientific evidence shows that when the applied amount of sunscreen halved, its sunscreen effects decreased by 50% ~ 60%, can be seen that the same SPF value sunscreen smearing effects depend on the actual volume. In addition, the effect of the merits or demerits of sunscreen and re-apply sunscreen frequency has a direct relationship. Indoor workers, required qualification wiping one afternoon meeting, outdoor workers need to re-apply every two hours one time.

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● UVA: UVA express. If direct exposure to UVA, the skin reaction are browning more quickly and directly, and will not cause inflammation erythema, tanning is not sunburn easily.

● UVB: Ultraviolet B express. After UVB irradiation, skin cells vulnerable to damage to the photochemical reaction, resulting in injuries, resulting in erythema inflammation, emergence of the phenomenon of sunburn.

● SPF: is an acronym for Sun Protection Factor, the general Chinese translation is “sun protection factor.” SPF measurements are for the UVB.

● MED: MED is the abbreviation for Minimal Erythema Dose, the Chinese translation is “red skin caused by the lowest dose.” Means the acceptance of UVB irradiated skin, when it began to generate reddish dose. The dose varies from person to person are the.

● PA: labeled sunscreen for UVA defense capability standards. The role of UVA is usually chronic and long-term, testing and standards for the purpose of comparison it is varied, so that a sign for many more. However, the current can be seen marking the domestic or the value of the main PA. It is mainly divided into three levels, respectively, are +,++,+++。 Plus many more express stronger defense capability. For yellow, the + + These are the best choice of comparison.

● SPF Determination

Determination of SPF is to first detect subjects in the absence of sunscreen products applied prior to MED, and use every square must be applied ﹝ 2 ﹞ mg comparison of the MED. In other words, the subjects 10 minutes before use has been drying red, the use of sunscreen only after the required 150 minutes of drying red, were used before and after the MED has increased 15 times. The multiplier is that this sunscreen product measured by SPF. For example, if the SPF value of 15 means that after 150 minutes the skin will be red; SPF30, it means that only after 300 minutes the skin red, and so on.

● non-comedogenic: indicates that the product will not cause acne, skin fit easily than oil acne of people long.

● Waterproof: means the sunscreen will ensure that within 80 minutes after the water has the effect of sunscreen.

● Water resistant: means the sunscreen will ensure that within 40 minutes after the water has the effect of sunscreen.

● Sweat resistant: with sweat resistant effect, the role of sunscreen products, of course, such products can not compare with the effects of waterproof waterproof sunscreen role of the Product.

● Hypoallergenic: low sensitivity of products. That the sunscreen product suitable sensitive skin and children.

● Oil Free: Oil-free sunscreen refreshing. Products you will be light as long as Mr tigerish Department in the back of the hand or, if the skin can be quickly absorbed, non-greasy, non-oil and feeling cool and humid, which can be found on the product are qualified refreshing sunscreen.

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Many people feel that the strong ultraviolet summer, of course, we should pay attention to the sun. But increasingly cool weather, also happens to run out of sunscreen on the very few people would go to “cover” the. In fact, even in winter, we would still like to focus on the sun, this is the thing all year round, every day thing.

Many people think that sunscreen anyway will not be absorbed by the skin, should be replaced in return would not be a big impact on it. In fact, according to some dermatologists say that many of the sensitive because of the inappropriate use of sunscreen caused.

Although relatively simple sunscreen ingredients, it will not be absorbed by the skin, and skin but there is a “breaking” process. Like some of the mask, you are wearing a gas-tight, uncomfortable, and perhaps the skin would be adverse reactions from some. So if you are used to a sunscreen, do not easily replaced, the proposed long-term use.

Some skin care products with a long time, the skin had a certain amount of “immunity”, as if no effect on, the answer is that they should look to replace. The sunscreen does not exist the problem, it is the skin will have a “memory function”, which adapt to a sunscreen, if you are easily replaced, likely will play a counter-productive Oh.

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Advertising in sun protection products, we often hear anti-UVA rays, UVB rays, you know their exact meaning of it? In fact, this is contained in two types of ultraviolet light damage the skin-ray, because of their “personality” different, on the skin are not the same injury, but in any case, they are the number one killer of whitening.

UVA rays have every day, and its shorter wavelength, penetration is very strong, can reach the skin dermis. Hurt the performance of its relatively relaxed, first color red, but soon will turn from red to black. This is mainly due to UVA rays may cause serious damage to the dermal collagen fibers, so that dry skin, aging, loss of flexibility can cause serious permanent damage. In their daily lives the most vulnerable to UVA rays, so it called the “living ultraviolet.”

UVB rays penetrate the skin, the skin becomes rough, resulting in wrinkles, stains. The most lethal time is 10:00 am to 14:00. At the seaside, lawn, such as sun refractive index of a strong local, UVB rays are the strongest, so UVB is also called the “leisure ultraviolet.”

In fact, the skin itself with the sun’s natural defenses against the function and regulation mechanism. When the skin by ultraviolet infringed upon, the skin will secrete melanoma cells to protect skin, and the formation of protective film to resist ultraviolet attacks. In some cases, skin to skin cells but also ways to skin thickening, and then barrier against ultraviolet radiation and reflection, these are the skin’s defensive instinct. However, once the skin’s defensive function and the adjustment mechanism of the reduction or loss of role, will be on the skin caused by self-harm. For example, melanoma can not break down and left in the skin, so dark skin and produce sunburn spots and so on, horny thickening of skin cells to make, easy to make skin aging, and seriously affect the skin’s complexion and health.

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The right to master the use of steps can enhance the effect of sun protection:

1. Thoroughly clean skin. Sunscreen will inevitably increase the burden on the skin, so keep the skin clean pores can reduce the risk of obstruction, but also to avoid the pores in the oil residue and dirt and sun protection products mixed after acne growth.

2. To use make-up water. According to the skin, oily skin should choose to have oil and make-up of the role of clean water, dry skin should choose to have water Function moisturizing lotion.

3. Apply the moisten skin care products. gently tapping cheek with hands, until skin care products have been well absorbed and then evenly coated with sunscreen products. Sunscreen products apply not very thick, preferably applied within 15 minutes after to go out again.

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First of all, solar radiation will cause skin tanning, and even sunburn, the culprit is the UVB rays. When the sun exposure, UVA rays will be long lasting directly stimulate the formation of melanoma, skin pigmentation, resulting in black skin, generate splash.

UVA is also the culprits leading to skin aging, skin aging of the main problems: dry skin, loss of elasticity, premature wrinkles appear. In addition UVA and UVB will produce early aging of the skin which free radicals.

– Why should we use isolation UV skin care products every day

UVA’s penetration is very strong, can penetrate glass and clouds, but no matter what the weather conditions, UVA rays are the day the whole year of existence. Therefore, if we want to protect your skin, skin maintain whitening, the youngest, the only way is to use high-quality UVB / A balance isolation skin care products, daily care of the skin, so far away from the UV, far away from the radical.

– Despite daily use the isolation of UV skin-care products, my skin also dull, why?

The skin of the face every day is not only harmful to the sun exposure, pollution, stress and so on. Air pollutants can be attached to the skin, resulting in dry skin, allergies, dull. Fortunately, the new multi-protective isolation can reveal the presence of Detoxyl for your skin out toxic, resist pollution. New multi-day quarantine protection for your skin to provide complete protection of the screen, blocking UV radiation, to resist pollution.

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1. Many people think that relatively mild spring sunlight, they do not have to care too much sun protection. In fact, this is only the difference between the UV intensity, whether high or low temperatures, as long as the ultraviolet radiation can not sun protection. Just as the snow to the local tourism, you will not forget the sun protection.

2. Sunscreen (even if the sun is high) the effectiveness of sun protection is spent in nature, will lapse after a period, to maintain the effectiveness of sun protection throughout the day, I suggest you before the lunch applied the suncreen again, and the best dry skin to be painted again when it foolproof.

3. Born white people Although blessed, to be aware of the harm of ultraviolet radiation on the skin is not just a melanoma, the aging of the skin may be. Sun protection is to prevent harm to the skin by ultraviolet light, with the colour white should use sun protection products, otherwise when the spots out will with trouble.

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