中国约2.5亿人存在脱发问题，其中90后占比上升，超越80后，脱发现象呈现年轻化趋势；90后脱发原因中，超50%认为熬夜、压力过大是他们脱发的主要原因，其次，也有内分泌失调、缺乏运动等自身原因。                                

2019年，长江经济带工业经济运行总体平稳、稳中有进，工业生产稳步发展，工业投资增速回落，经济效益持续下滑，工业资产平稳增长。分行业看，长江经济带计算机、通信和其他电子设备制造业稳中有进，化学原料和化学制品制造业差异化发展，电气机械和器材制造业良性发展，汽车制造业平稳发展。2020年是全面建成小康社会和“十三五”规划收官之年，面对错综复杂的国际国内形势，长江经济带要在传统产业优化升级、先进制造业集群打造、先进制造业和现代服务业融合发展等方面精准施策，努力推动工业经济平稳健康发展。

Nanopore is a pore of nanometer size, which is formed by protein or as a hole in synthetic materials such as silicon or graphene. Nanopore technology is a unique, scalable technology that helps in making direct, realtime analysis of long DNA or RNA fragments. Furthermore, these technologies are used as a single-molecule detector. For the purpose of analysis, the report segments the global nanopore technologies market based on product, application, and region. The report provides the information about the various products required in nanopore technologies such as instruments and consumables. The applications covered in the study include DNA sequencing, RNA sequencing, and others. The report further outlines the details about the major end users of nanopore technologies, which include hospitals & clinics, research institutes, and others. Moreover, it analyzes the current market trends of nanopore technologies across different regions such as North America, Europe, Asia-Pacific, and LAMEA and suggests the future growth opportunities.

The global polyethylene films market is segmented on the basis of technology, type, material, application, and region. By technology, the market is classified into blow film extrusion and cast film extrusion. Depending upon type, the market is classified into stretch films and shrink films. Based on material, the market is divided in low-density polyethylene (LDPE), high-density polyethylene (HDPE), and linear low-density polyethylene (LDPE). Depending on application, it is segregated into food & beverage, agriculture, construction, household, and others. Region wise, it is analyzed across North America, Europe, Asia- Pacific, and LAMEA.

The global pepper sprays market is segmented on the basis of product, distribution channel, and region. By product, it is categorized into fogger, stream, gel, and others. By distribution channel, it is divided into specialty shops and online stores. Region-wise, it is analyzed across North America (the U.S., Canada, and Mexico), Europe (Germany, France, Italy, Spain, the UK, Russia, and Rest of Europe), Asia-Pacific (China, India, South Korea, Indonesia, the Philippines, Thailand, and Rest of Asia-Pacific), and Rest of the World (South Africa, Egypt, Saudi Arabia, and other countries).

Nanochemicals are produced using nanotechnology which exhibit enhanced properties such as self-catalysis and anti-corrosion. Increased demand for nano chemicals owing to maximum product yield has propelled the growth of nanochemicals in the industry. Moreover, the enhanced chemical reaction timing has also led to the adoption of nanochemicals, which in turn drives the nanochemicals market growth. In addition, these nanochemicals have wide applications in manufacturing, paints & coatings, automotive, pharmaceutical, and other industries that contributes toward higher demand for nanochemicals which notably boosts the nanochemicals market growth. However, hazardous nature of the chemicals owing to quick reactions can restraint the market growth.

Polycarbonate sheet is a transparent thermoplastic sheet. It is highly tough in nature with moisture absorbing and impact resistant properties. In addition, polycarbonate sheet is also flame-retardant and chemical resistant. It is used in numerous applications such as window glazing, skylights, riot shields, medical equipment, food processing, and exhibits & displays. For the purpose of analysis, the report segments the polycarbonate sheets market based on type, end-use industry, and region. The report provides details about various types of polycarbonate sheets available in the market such as solid, multiwall, corrugated, and others. The end-use industries covered in the study include building & construction, electrical & electronics, automotive & transportation, aerospace & defense, packaging, and others.

Ceramide is a type of lipid complex, which can be found in various glycolipids. Natural sources of ceramide include various plants such as rice, wheat, and soybean plants. It is widely used in cosmetics products to improve skin appearance and skin hydration rate. This study provides information on the application of ceramide in cosmetics, food, and other applications. The study is segmented on the basis of type (natural and synthetic), process (fermentation ceramide and plant extract ceramide), and application (cosmetics, food, and others). Additionally, the report also includes key drivers, restraints, and opportunities in the market. The study also includes in-depth information of value chain analysis and patent analysis in the market.

Polyamides are found naturally in wool and silk, as well as synthetically in nylon, polyamide 6, and aramid, among other materials. Wear resistance, strong mechanical qualities, low gas permeability, and chemical resistance are the characteristics of artificial polyamides. Bio-based polyamides are gaining popularity due to its eco-friendly nature.

本周化工板块中，氟化工、磷化工、硅化工、新能源材料、纯碱五大板块持续领涨，景气的持续上升不断带来股价的正反馈。

发改委印发《2021年上半年各地区能耗双控目标完成情况晴雨表》，广 西、云南等9省（区）为能耗一级预警，能耗强度降低任务严峻。多地限 电等能耗管控持续，水泥、铝、钢铁等大宗商品仍面临供给收缩压力。 

根据百川资讯，江浙地区四氯乙烯报价从8 月20 日的7400 元/吨快速上涨至15000 元/吨，R125 价格从8 月15 日的25000 元/吨上涨至当前的40000 元/吨，甚至存在50000 元/吨的报价。

婴童日化专业性强，消费升级下快速增长：婴幼童（0~11 岁）皮肤娇嫩，尤其是0~3 岁婴幼儿，日化产品具专业性。20 年我国市场规模284 亿元，其中护肤/洗漱/湿巾/洗护发/尿布疹占比39%/29%/20%/7%/4%；15~20 年行业复合增13.2%，主要为人均消费水平提升（15~20 年复合增12.9%）。

本周（8 月23 日-8 月27 日）零售板块（商业贸易指数）报收3039.67 点，上涨2.46%，跑输上证综指（本周上涨2.77%），板块表现在28 个一级行业中位居第13 位。零售各细分板块中，本周贸易板块表现较好，2021 年年初至今贸易板块涨幅居首。个股方面，本周安德利（+18.1%）、五矿发展（+16.6%）、江苏国泰（+15.5%）涨幅靠前。

1）看点：高壁垒、高集中度、高盈利，成长性佳。技术壁垒和资质壁垒较高，供应商竞争格局相对稳定，对分散的下游客户具有较强议价能力。2）痛点：拿证周期长、竞争日益激烈。一方面，新产品的推出需多年积淀（玻尿酸、肉毒素等产品研发注册流程通常为3-8年），对厂商的研发能力、产品储备要求较高。另一方面，随着医美赛道的整体火爆，下游机构集中度缓慢提升，溢价能力提升，上游机构的竞争也日益激烈。3）要点：研发+资质+产品+渠道缺一不可。消费者对医美产品的需求多样，产品更新迭代速度加快，上游厂商需以强大的研发技术能力为基础，对市场热点进行准确预判，通过差异化定位+多样化产品矩阵，辅以强大的渠道推广能力。

维持覆盖公司盈利预测和目标价不变。在全球经济复苏背景下，我们预计化 工行业维持较高景气度，未来龙头公司仍具备较好的成长性，继续看好化工 龙头企业万华化学、华鲁恒升、扬农化工、华峰化学、新和成、合盛硅业和 新宙邦。 

重点关注子行业：有机硅周涨幅9.1%、电石法pvc 周涨幅0.9%、乙烯法周涨幅1.0%、轻质纯碱周涨幅3.3%、重质周涨幅3.0%、粘胶周跌幅0.4%、烧碱周涨幅6.7%、维生素A 周涨幅1.8%、维生素E 周涨幅0.6%、固体蛋氨酸周涨幅2.0%、液体周涨幅1.4%、聚合MDI 周涨幅3.0%、纯MDI 周跌幅5.0%、橡胶周跌幅4.9%、尿素周跌幅8.5%、DMF 周跌幅2.6%、乙二醇周涨幅1.4%。

本周行情回顾。本周，Wind 新材料指数收报4975.36 点，环比下跌3.69%。其中 涨幅前五的公司有晨光新材（+37.57%）、东岳硅材（+36.84%）、合盛硅业 （+16.01%）、宏柏新材（+10.28%）、硅宝科技（+8.81%）；跌幅前五的公司分别 为瑞联新材（-15.09%）、阳谷华泰（-14.88%）、江化微（-12.57%）、长鸿高科（- 12.13%）、金宏气体（-11.41%）。六个子行业中，申万三级行业半导体材料指数收 报10506.31 点，环比上涨1.68%；申万三级行业显示器件指数收报1421.84 点， 环比下跌2.73%；中信三级行业有机硅指数收报11103.79 点，环比上涨12.25%； 中信三级行业碳纤维指数收报4800.94 点，环比下跌4.92%；中信三级行业锂电 指数收报5819.86 点，环比下跌0.28%；Wind 概念可降解塑料指数收报2119.64 点，环比下跌1.65%。

能源工业、铝工业、煤化工、黄金生产加工和林果业生产加工为三门峡市五大支柱产业， 这些行业实现的增加值目前已占全部规模以上工业增加值的80%以上。这些产业中， 多数为高耗能产业。经过“十五” 时期结构调整和淘汰落后生产能力， 三门峡市经济结构和增长质量有了明显好转。但粗放型的经济发展方式仍没有得到根本转变， 资源加工型产业比重仍然较高， 经济增长和效益增加还主要依靠能源和资源加工型工业。因此， 从发展战略上， 要摒弃那种片面追求速度和眼前利益的发展思路， 彻底改变高消耗、高排放、高污染的能源利用模式， 以最少的能源消耗、最小的环境代价实现经济的可持续增长， 从根本上解决经济发展与环境保护之间的矛盾， 实现清洁发展。