There are real and fake face masks on the market. Here are four ways to tell if the mask is real or fake. Watch out for the fluorescent powder! If your eyes are easy to use, just turn off the light and see the color in the dark. Masks with too much phosphor powder will show green or blue light. It is obviously more practical to have a banknote detector lamp. reflects light in purple light.
Are heavy metals really good? To test the effect, find a new dime and use the side of the coin to scratch it back and forth across the mask. If there is no change, it may be foreplay. indication that it does not contain lead or mercury, if it turns black it means it contains lead and mercury. The darker the color, the higher the lead and mercury content! Hormones! relative! Even the insProfessional institutions have very limited means to test hormones. Doctors make judgments primarily based on the patient's symptoms, which is only an afterthought. If we want to avoid it in advance, we must rely on ourselves. The simplest judgment is: it takes effect very quickly, but after stopping it, it is worse than not using it. If you use other brands of cosmetics, you may experience allergic redness and swelling. You have to wonder if hormones are to blame. It's really good to be antioxidant~ Nowadays, even facial masks are said to have antioxidant effects and prevent cellular aging. Is it really effective? A drop of iodine will tell. Put a drop of iodine on the mask. If the iodine fades or even becomes transparent, then the mask has good antioxidant properties. Otherwise, just mark it with a crossyears reserve.
These are secrets that the industry doesn't want to divulge, so you can test them at will. It's not complicated at all, but it can help you choose the most suitable mask!