1. There is a light fragrance, it should be mellow when squeezed on the hand, and there is no greasy feeling.
2. Burn with fire, put the cleanser into the spoon, and burn it with fire. If it splashes oil, it is not a good cleanser. If it burns more like milk, it means it is a good cleanser.
3. Try it with the PH test paper, and you will know it by squeezing it directly onto the test paper.
1. Shake vigorously and look at the bubbles after shaking:
a. There are few bubbles, which means that there is little nutrition.
b. There are many but big bubbles, indicating that it contains salicylic acid. Salicylic acid has a good cleansing effect, but it is irritating and easy to be allergic.
c. The bubbles are many and very thin, and they disappear quickly, indicating that they contain alcohol. Don’t use it for a long time, it is easy to damage the protective layer of the skin.
d. The bubbles are delicate and rich, with a thick layer, and will last for a long time, that is good water.
2. Good quality without alcohol smell. It has a cooling sensation when used badly, and smells a little alcohol.
3. The general lotion has color. If the storage location is improper, often exposed to sunlight or stored for too long, the color will become lighter;
4. The toner bottle is non-transparent, never buy it. Because it cannot be identified.
1. Smell the smell. Good products are pure and do not need heavy spices to suppress product odors.
2. If it is a lotion, take a glass of water and pour the lotion into the water a little bit. If it floats on the water, it proves that it contains oil stone ester (this is not recommended for cosmetics now), shake it, and the water becomes milky white. It proves that it contains emulsifiers, and such cosmetics are not good. If it is poured into water, the emulsion sinks to the bottom, which proves that it does not contain whetstone ester, so that it can be used. Whetstone ester can harm the skin and cause dryness and dehydration of the skin, because it is the main cause of clogging the pores. Over time, the pores will become larger and larger.