"And what about that one just now?"

Zhou Mi always thought that the transparent essence was what Li Lechen made, after all, he tested it for himself just now, but now he was given cleaning soap, which felt very strange.

Li Lechen naturally moved out of the reason he had already thought of: "That is specially used to remove acne, and it will cause some damage to the skin, so just apply it once to remove the acne, and using it a few more times will make the skin burdensome." This cleaning soap is fine and can be used for a long time. ”

In fact, Li Lechen didn't ask what the cleaning soap could do before, but it was 1200 coins horizontally and vertically, and the effect would not be too bad. Then it is the lowest skin care product in the world in the future, and the effect should not be very unheavenly. What's more, it's just cleaning stuff.

And Zhou Mi was also skeptical, because she really hadn't studied skin care products all along, but she became more and more interested in the ingredients of the essence that could get rid of acne just now. This must be closely related to biology and chemistry.

"What do you put in that serum? something that can get rid of acne but also cause a burden on the skin......"

"Aren't you a top student?" Li Lechen asked rhetorically.

Zhou Mi seems to be really at a loss about this. If she knows what can get rid of acne quickly, then she can go to the lab and get some by herself. If that's all right, what do you want the researchers at cosmetics companies to do?

After all kinds of thoughts, Li Lechen had already pushed Zhou Mi out, and he didn't even have a chance to look in the mirror. It takes some time to delay, and after a long time, the acne is gone, and then how good it is to blow about your own things, it will generally cover up the past.

It's just a pimple, but it's still easy to get rid of with something.

When I went downstairs, I saw Wang Dazhuang's dog still sitting downstairs wagging his tail. Li Lechen was glad that he had been prepared, and he knew that this dog was obsessed with satiety pills, so he took out a satiety pill from his pocket and handed it to the dog.

The dog looked at the balls handed to him, smelled the smell, and immediately snorted excitedly. However, he did not swallow it in one bite as Li Lechen expected, but continued to wag his tail at Li Lechen.

Li Lechen really doesn't understand the body language of dogs, and only knows that wagging his tail is a gesture of goodwill. But this satiety pill will explode if you don't eat it for 24 hours, so you can't just throw it on the ground, what if this dog doesn't eat it?

After hesitating, I saw Wang Dazhuang's dog suddenly run away and bark happily not far away.

Looking in the direction of the dog's call, I saw another snow-white short-legged pood running over.

Li Lechen and Zhou Mi subconsciously looked at each other, and then looked at Wang Dazhuang's dog and looked at Li Lechen again with a flattering face, both of them were black lines.

Even the dog has a girlfriend, and he knows how to take good food to please others.

Sure enough, the female dog summoned by Wang Dazhuang's dog also liked Li Lechen's satiety pills very much, and after eating, she followed Wang Dazhuang's dog game.

Shrugged his shoulders, Li Lechen didn't pay much attention to it, and got on the bus with Zhou Mi to go back to school.

"Bouncing!"

An old man with gray hair came down from a building and shouted at the white-legged poodle.

The short-legged poodle reluctantly glanced at Wang Dazhuang's dog, and finally followed the owner.

Dr. Wang walked slowly. ”

The man who had bid farewell to the old man respectfully watched as the gray-haired old man got into the car with his dog before turning back.

......

Because Li Lechen discussed a lot of physics problems that Zhou Mi was interested in along the way, Zhou Mi quickly forgot that she had painted something on her face, or something that had a great effect on eliminating acne. Of course, this is a trivial matter, but I don't pay attention to it anymore, and I just want to look in the mirror every minute.

Even, after returning to school, the two plunged headlong into the comprehensive laboratory.

Zhou Mi's water purifier has been almost improved by her, in addition to looking rough, the practicality is really strong.

In order to prove that he is also working hard, Li Lechen contributed the water purification pill invented by Lai Haoren.

"Putting one in the water can purify the water. Li Lechen explained.

Zhou Mi was a little disdainful: "You are a ball-type activated carbon, and it is so small that it can't work at all." ”

If you really just rub the activated charcoal into such a small ball, it is naturally impossible to have much water purification effect, especially if you throw it directly into the water.

But Lai Haoren's invention, like satiety pills and cold pills, is a concentrated refinement. You can eat a pill for a year without being hungry, let alone putting a pill in the water to purify the water.

So in Zhou Mi's disdainful eyes, Li Lechen threw a water purification pill into the water that was deliberately dripped with ink.

It can be seen with the naked eye that the ink in the water began to gather towards the balls, and after more than ten seconds, the water was unexpectedly transparent. Although it may not meet the drinking water standard, the results have greatly exceeded Zhou Mi's expectations. So much so that Zhou Mi concluded that if Li Lechen took this water purification pill to participate in this year's scientific and technological innovation competition, not to mention the champion and runner-up, it would definitely be no problem to be shortlisted for the finals.

If it can be mass-produced, it is definitely much better than installing any water purification equipment.

was suggested by Zhou Mi like this, Li Lechen also felt that this could be had.

Lai Haoren's inspiration for making water purification pills came from the activated charcoal he provided, but according to the technology after 2,000 years, plus the previous experience in making those balls, the water purification pills are such a magical and undetached product.

This kind of thing is perfect for competition.

However, if you really want to take it to the competition, you still have to have a good chat with Lai Haoren, and you know how this thing is made, so you can't buy it from the mall in the future.

Although, water purification pills or something have been flooded now.

Just thinking about it, the intelligent assistant reminded him that Lai Haoren had left a message about the fact that today's class of water has not yet been supplied.

In recent days, Li Lechen has used the bottle of mineral water provided by Lai Haoren that can be automatically decomposed as a random prize to give away, but today is too busy, and there is no action in the afternoon, so Lai Haoren is a little anxious.

made up a personal reason for having three urgency, and Li Lechen went back to the bedroom.

In the past few days, Li Lechen took advantage of Luo Li and Lin Kun to go to class, and he secretly poured water in the dormitory under the pretext of self-study or something, and usually had to fill four or five buckets a day.

Fortunately, the figure of the water delivery brother appeared in the dormitory building very frequently, but there was no accumulation of buckets, and the careless Luo Li and Lin Kun, who was serious about studying, did not find that the huge water consumption in their bedroom every day was huge.

But it is not a long-term solution to go on like this, Li Lechen wondered if he could find a better way while pouring water.

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