1） Cleanser- how to distinguish good and bad experiment:
1. First to determine your cleanser is weak acid, you can use the test paper to get the results. What suits skin to use most only is weak acid cleanser.
2. Take a cup of water, put in a little salt, and then squeeze in your facial cleanser, stir it and let it sit for half an hour, look at the situation of the cleanser inside, if the water turns white, the cleanser is dissolved, that the cleanser is good, if floating in the white pieces of items, the cleanser can be thrown away!
2）Isolation- how to distinguish good or bad experiment: to prepare two pieces of apple, on a piece smear isolation, the other not to wear, placed in half an hour to observe, erases isolation after the color of the apple and apple do contrast, if the two piece in similar color, show that isolation is no effect, only slightly discolored isolation is the best!
3) Makeup water
Experiment: Shake the bottle.
If foams are low: low nutrient content.
If the bubble is large and many: that contains salicylic acid, salicylic acid cleansing effect is better, but on the skin stimulation.
If the shake starts off with a lot of fine bubbles but disappears quickly: alcohol is present. This type of toner can be used occasionally to reduce inflammation, but do not use for a long time, easy to damage the skin membrane.
If bubbles are delicate and rich, have a thick layer, and durable, it is good.
4) BB cream, foundation
Experiment 1: with a cup of water, if the foundation floating in the water: it contains light oil.
Such foundation although wet effect is good, but your face will resemble be wrapped with a layer of oil same, airtight, still can clog pore possibly, if keep using it for long can make the skin coarse.
If the foundation sinks to the bottom of the cup: this means the foundation contains heavy metals such as lead and mercury.
Such powdery bottom just qualifies: only do not stick cup edge, do not float, do not sink the powdery bottom of cup bottom can feel at ease use.
Experiment 2: Squeeze a little BB cream and spread it on one part of the orange surface. After spreading evenly, compare the effects of several pieces. First, it is necessary to see whether it is easy to spread evenly.
Second, see if the surface of the orange is smooth and fresh to the touch. If the surface looks oily, this BB cream is not suitable for summer use.
Third, it is necessary to see the evenly applied, not too thick, the ability to cover the pores, the smaller the hole on the surface of the orange, the better the effect is.
If BB cream doesn't fill pores or blemishes well, the tiny holes in the orange's surface are still visible, or even more so, because small holes have formed where they haven't been filled.
5) The identification of emulsion- smell first.
The good product is pure, does not need the heavy spice to suppress the product peculiar smell.
Experiment: Take a glass of water, put the emulsion into the water a little bit, if it floats on the water, prove that the inside contains oleic ester, shake it, the water turns milky white, prove that the inside contains emulsifier, such cosmetics is not good.
If the emulsion sinks to the bottom and proves to be free of oleic ester, then it can be used.
Olefine esters can damage the skin, causing it to become dry and dehydrated, as they are a major cause of pore blocking, which can lead to larger pores over time.

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