Knowledge

The real effectiveness of mosquito-catching lamps Researchers at the University of Delaware have announced the number of dead insects in the mosquito lamp they invented. Of the 13,789 insects killed by this lamp, only 0.22% were female mosquitoes, meaning there were only 31 mosquitoes out of nearly 14,000 insects. Nearly half of them are beneficial […]

What is an alkaline ionized water purifier? Simply put, an alkaline ionized water purifier is a water purifier product that applies the latest water filtration technology. Accordingly, the machine operates based on the principle of electrolysis, separating water molecules into H+ and OH- symbols to remove all impurities and harmful bacteria as well as retain

Why must use sunscreen? Before 8 a.m., sunlight contains a lot of vitamin D, which is beneficial for the skin and bones. But after 8 a.m., sunlight is considered the number one “enemy” of the skin. Because at this time, the intensity of UV rays is stronger and will have a negative impact on skin

Can sunburn on hands and feet heal on its own? Sunburn and dull skin are caused by the impact of ultraviolet rays from the sun on the skin over a long period of time and damage the epidermis on the skin. Such sunburned skin not only affects the aesthetics but also seriously degrades the skin,

Instructions on how to use Xiaomi wifi extender Xiaomi is a brand that provides leading phone, electronic, security, and telecommunications equipment today. Among them, it is impossible not to mention the extremely high-quality wifi range extender sold at a quite affordable price. The operating principle of the Xiaomi Repeater wifi extender is to receive wifi

What is Serum? More than just a cream, the facial serum is a powerful support tool for your skincare routine. With a moderate consistency, combining gel and liquid form, Serum easily penetrates the surface layers of the skin to solve specific skin problems at a deeper level. Such as improving the appearance of wrinkles, treating

What is Paula’s Choice BHA? This is a famous product line produced by Paula’s Choice Skincare, whose headquarters is located in Seattle, USA. BHA Paula’s Choice is suitable for oily skin, sensitive skin, or skin suffering from scars and acne. Currently, you can buy 4 BHA product lines from Paula’s Choice in Hongkong, including: BHA

Harmful effects of blue light Before knowing how to choose anti-blue light lenses, we must know what blue light is. Blue light is light originating from sunlight and electronic devices, including countless monochromatic light with short wavelength characteristics of 380-500nm and high energy. Blue light has a green light and blue-violet light. According to studies,

Instructions on how to properly clean the robot vacuum cleaner If your robot vacuum cleaner is slow, loud, and doesn’t clean effectively, chances are you’ve forgotten to clean it regularly. Especially right after use, you should also check to see if the machine’s side brushes and wheels are not caught in tangled hair or pet

What is an office chair? Office chairs are chairs designed specifically for office workers who have to sit and work for long periods. Later, chairs were improved and expanded their customer base and gradually became an essential item in life. Types of office chairs today Currently, there are 3 main types of office chairs, according