Knowledge

Do not connect to electricity Normally, when plugged in, the air purifier will emit a very clear beep sound. However, this time when you plug in the power, you cannot hear this sound. The error of no power supply is considered a basic error and most often occurs during the use of the device. Reason […]

When should we use a wifi signal booster? This product is simply understood as an amplifier with the ability to expand the Internet broadcast range within a certain range. Using this wifi signal booster device will help your connection operate strongly, stably, and with few interruptions. Wifi signal booster sets will often be used in

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,