解读7大误区 打破晒黑魔咒

解读7大误区 打破晒黑魔咒 防晒问题年年说,可是问题还是年年有,小编想说,如果一些防晒误区都没有弄清楚,人云亦云,怎能不晒黑呢？在新的一轮防晒季节即将到来,不如先来拨开云雾,认识那些迷惑你的如何防晒的问题吧。 一、常见的防晒误区 误区1、防晒指数越高越好 防晒产品的防晒指数越高不一定越好。防晒指数过高会对毛孔造成阻塞,排汗不及时,对肌肤的负担过重。涂在皮肤上会感觉不舒服,不适合每天都使用。最好的做法是,在不同的环境,对不同的需要,选择不同的防晒指数用品。 误区2:选择物理防晒剂为主的产品更安全 物理防晒剂为主的产品更适合敏感肤质使用,物理性防晒主要是利用折射的方避开紫外线的确侵袭,物理防晒剂为主的产品,相对无刺激,当然并非物理防晒产品就100%不会过敏,因为防晒霜中除了防晒剂以外,还有其他辅料成分,某些人可能也会对这些成分过敏,因此敏感肤质的人还是需要量测试后再使用的。 误区3:防晒指数可以累加 防晒系数并不会因叠加而翻倍,防晒产品的防晒效果只能是防晒系数最高的那一个,防晒作用并不会叠加,也就是说SPF30+SPF15不等于SPF45,而是SPF30。使用时可以先涂抹防晒系数高的产品几分钟后,再用系数低的,因为如果调过来高的系数反而会被稀释掉。 误区4:用普通洗面奶就可以卸除大部分防晒霜 非防水型防晒产品用普通清洁产品来清洁,不是多有的防晒霜都要使用卸妆液或卸妆油等与业卸妆产品,非防水型防晒霜用普通洁面产品仔细清洗即可。对于特别宣称具有防水功效的防晒霜一定要增加额外的卸妆步骤。 误区5:喜欢古铜色的皮肤,不怕晒黑,就可以不涂抹防晒霜 当人体受到紫外线照射时,会在基底层形成更多的黑色素来对抗紫外线对皮肤的伤害,但这种保护的防晒系数SPF只有2,帮助并不大。肌肤在长期的日晒下会出现皮肤过早衰老,造成皮肤老化和皱纹。 误区6:补涂防晒霜就是多涂几层 补涂防晒的时候多人只是简易地直接往脸上再抹一层防晒霜,结果“补”出可怕的脂肪粒。在炎热的夏天,汗液混合着旺盛的皮脂,再加上房晒产品本身的油分,不堵毛孔才怪呢。补涂防晒霜其实是有窍门的确,和补妆一样,需要先用吸油纸清除面部的油脂,再补涂。对于大面积的身体皮肤,也需要用湿纸巾轻拭汗水和油脂后再补涂。 误区7、选防晒霜不用看质地,只用看防晒指数即可 选择防晒产品时,除了防晒指数外,质地的选择也是必须注重的,尤其春夏天一定要选择清爽薄透的质地,以免皮肤过度出油,秋冬季则可以选择较润泽锁水的质地,增加皮肤的锁水。如此一来,除了可以做好防晒之外,还可以适度缓解因季节变化遇到的皮肤困扰。 二、如何挑选属于自己的防晒霜？ 1、先弄懂几个与业术语再挑选 SPF对抗UVB(晒伤) 所谓SPF值是指产品防护UVB的能力,也就是防止皮肤晒红晒伤的能力。一般地说,人的皮肤在日光直射下产生红斑的时间是20-25分钟,即spf1相当于15至20分钟,所以一般spf30的护肤霜防晒时间就是15分钟乘以30,相当于7个半小时。一般国内护肤品的标注到30,超过30的话标注30+。 PA+对抗UVA(晒黑晒老) PA+字样 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示产品防护UVA的能力,也就是防止晒黑晒老的能力。PA的防御效果被区分为三级,即PA+、PA++、PA+++,PA+表示有效、PA++表示相当有效、PA+++表示非常有效。 2、多少SPF适合自己？ 日常护理、外出购物、逛街可选用SPF5—8的防晒用品,外出游玩时可选用SPF10—15的防晒用品。游泳或做日光浴时用SPF20—30的防水性防晒用品。 3、练就火眼金睛,了解常见的防晒成分 常见的物理防晒成分: 二氧化钛、氧化锌。这两种防晒成分是最为常用的广谱物理防晒剂,也就是紫外线反射成分,通产不化学类防晒成分相搭配,但也会在防晒霜中单独成为防晒成分,是比较安全有效的防晒成分。物理防晒的效果来的比较温和,所以通常适合敏感肌肤或是婴儿使用。但须注意的是,二氧化钛这个防晒成分在高温的作用下会产生大量自由基,所以无论保存还是使用上都应多加注意。物理防晒颗粒导致使用感比较厚重,并丏涂抹之后有泛白的情况产生,这也可以作为一个判断防晒霜类型的 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 来参照。 常见的化学防晒成分: 二苯酮、水杨酸乙基己酯、胡莫柳酯、西诺沙酯、苯基二苯并咪唑四黄酸酯二 钠、丁基甲氧基二苯甲酰基甲烷、甲氧基肉桂酸乙基己酯等。 理论上来讲除了二氧化钛和氧化锌之外所有的防晒成分都被归类于化学防晒成分 中,也就是紫外线吸收剂,不同于作用反射的物理防晒成分,化学防晒成分通产都会 有一定的刺激性,但质地相较于物理防晒更加的轻薄,使用感更舒适。 Said is prevented bask in question from year to year, but the problem was there year after year, small make up want to say, if some sunscreen myths are not clear, conformity and can not bask in mowing? Is prevented bask in a new round of the season is coming, not equal to first come through, meet to the problems of how to prevent bask in the confused you. One, common sunscreen myths Myth 1, sun protection factor index, the higher the better The higher SPF sunscreen products is not necessarily better. SPF is too high to pore blockage, perspiration, not of skin. The skin will feel uncomfortable, not suitable for everyday use. The best practice is that, in a different environment, different needs, choose different SPF products. Erroneous zone 2: select the physical sunscreen products safer Physical sunscreen products more suitable for sensitive skin, physical sunscreen is mainly using refraction party avoid ultraviolet (uv) light, really physical sunscreen products, no stimulus relative, of course, not physical sunscreen product 100% can't allergy, because besides the sunscreen sunscreen, and other accessories composition, some people may also be allergic to the ingredients, so the requirement for sensitive skin and test before using. Myth 3: cumulative in SPF Prevent bask in coefficient is superposition of doubled, sunscreen sunscreen effect can be to prevent bask in coefficient is the highest one, prevent bask in effect does not stack, namely SPF30 + SPF15 is not equal to SPF45, but SPF30. When used to prevent bask in coefficient tall daub products after a few minutes, reoccupy coefficient is low, because of the high if transferred coefficient can be diluted instead. Myth 4: using ordinary cleanser can remove most of the sunscreen Non waterproof sunscreen use ordinary cleaning products to clean, not some sunscreen to use discharge makeup fluid or more discharge makeup oil and other professional makeup products, non waterproof sunscreen use ordinary cleanser wash carefully. For special claims has the waterproof effect of sunscreen must add additional makeup steps. Myth 5: like tanned skin, not afraid of suntan, can not use sunscreen When the body by ultraviolet light, formed in the base layer will be more melanin against uv damage to the skin, but the SPF SPF only two, not much help. Under the skin in the long-term sun exposure can appear premature skin aging, skin aging and wrinkles. Myth 6: sunscreen is besmear more layers Filling besmear bask in more than just simply directly into the face covered with a layer of sunscreen, the results "fill out" terrible adipose bead. In hot summer, sweat mixed with strong sebum, plus room and bask in the oil content of the product itself, not blocking the pores just strange? Sunscreen is actually have tips, like makeup, need to use first remove grease, oil absorption filling besmear again. To large areas of the body skin, also need to use a wet towel after wiping sweat and oil filling besmear again. Myth 7, need not look to choose sunscreen texture, using only the SPF Choose sunscreen products, in addition to the sun protection factor index, the choice of texture is also must pay attention to, especially the spring/summer day must choose relaxed and fully thin texture, so as to avoid excessive skin give oil, qiu dong season can choose relatively moist lock water quality of a material, increase the moisture of the skin. As a result, besides can do prevent bask in, can also moderate relieve skin due to seasonal changes encountered. Second, how to choose your own sunscreen? 1, learn the professional term to pick again SPF against UVB (sunburn) Protective UVB SPF value refers to the product's capability, also is to prevent the skin bask in red sunburn. Generally speaking, a person's skin to produce under direct sunlight time of erythema is 20 to 25 minutes, namely spf1 equivalent to 15 to 20 minutes, so general spf30 skin cream 30, prevent bask in 15 minutes time is multiplied by the equivalent of seven and a half hours. General domestic cosmetics label to 30, more than 30 words marked with 30 +. PA + against UVA (tan tan old) PA word + said product UVA protection ability, also is to prevent bask in ability of old suntan. Defense effect is divided into three PA, PA +, PA++, PA++ +, PA + said, PA++ said quite effective, effective PA++ + said to be very effective. 2, how many SPF for yourself? Daily care, go out shopping, shopping can choose SPF5-8 prevent bask in things, hang out with optional SPF10-15 sunscreen. Swimming or sunbathing in SPF20 to 30 waterproof sunscreen. 3, is quite critical, understand common sunscreen ingredients Common physical sunscreen ingredients: Titanium dioxide, zinc oxide. This two broad spectrum sunscreen ingredients are the most commonly used physical sunscreen, namely ultraviolet reflection component, typically goes and chemical sunscreen ingredients, but also will become alone in sunscreen sunscreen ingredients, it is safe, effective sunscreen ingredients. Physical sunscreen effect to mild, so usually suitable for sensitive skin, or the baby. But must pay attention to is that titanium dioxide this sunscreen ingredients in under the action of high temperature will produce a large number of free radicals, so no matter keep or use should be more careful. Physical sunscreen particles led to the use feeling is heavy, and daub after have white case, this can also be used as a standard to refer to a sunscreen types. Common chemical sunscreen ingredients: Diphenyl ketone, ethyl caproic ester, hu MoLiu salicylate, casino sand ester and phenyl diphenyl and imidazole four yellow acid ester disodium, px acyl methane Ding Jijia oxygen radicals, methoxy cinnamic acid ethyl caproic ester, etc. In theory in addition to titanium dioxide and zinc oxide all sunscreen ingredients are classified as chemical sunscreen ingredients, uv absorber, is different from the reflection of the physical sunscreen ingredients, chemical sunscreens that typically have a certain stimulus, but the quality of a material relative to the physical sunscreen more frivolous, use feeling more comfortable.