The Richest Man Yang Fei

Yang Fei is not a celebrity, even if he is a celebrity, some people don't know him! Li An is so famous, isn't it because someone doesn't recognize him?

The boy said: "I don't recommend using high-foaming formula, I'll talk to my instructor!"

Zhu Lin said: "With Yang Fei, it's useless to find anyone. Even if the instructor comes, you have to listen to Yang Fei!"

Boys really don’t know Yang Fei. After all, the school is so big and there are so many students. Yang Fei’s chances of showing off his face are few. He looked at Yang Fei again, he laughed, and said, “How could he decide? In fact, I will stick to it! This is the direction of science and technology development, and it is also the truth I believe!"

Yang Fei said: "I just said that no one is right or wrong about this matter. Shampoo, shower gel, and hand sanitizer will contain surfactants, such as sodium lauryl sulfate, etc., which can play a cleaning role."

Next, he probably talked about the principle of shampoo decontamination.

Surfactants have hydrophilic and lipophilic ends. The lipophilic part is generally a non-polar group such as a long-chain alkyl group, which has a large force with organic matter and a small force with water; the hydrophilic part is generally a sulfonic acid group Equal polar groups have a large force with water and a small force with organic matter. When interacting with oil stains, the lipophilic groups are inserted into the oil stains inwardly, while the hydrophilic groups are outwardly inserted, so the surfactant wraps the oil stains into a ball.

The structure of the lipophilic group inward and the hydrophilic group outward formed by surfactants is called micelles, and the process of surfactants interacting with water-insoluble oily substances to increase the solubility of insoluble substances is called micelles. Micelle solubilization. The surfactant is used to solubilize the oil on the hair.

Another major function of surfactants is to reduce the surface tension of water, so that the surface tension that needs to be overcome when the oil is dispersed into oil droplets is reduced, and the interfacial energy of small oil droplets at the oil-water interface is also lower. Therefore, the emulsion After it has been stabilized, the oil stains can be easily washed away with water after forming a more stable emulsion in the water.

Before we wash our hair, we will beat the shampoo evenly in the palm of our hand. This is actually a stirring process, during which the solution containing the surfactant is in full contact with the air.

If there are no oil stains in the hair and the lipophilic groups are used to act, the lipophilic groups will stay away from the water and form bubbles. This is the reason for the rich foam.

The less oil, the more the amount of surfactants involved in the formation of bubbles, and the more bubbles formed; the more oil, the less the amount of surfactants involved in the formation of bubbles, and the less bubbles are formed. This also explains why we all think that when the hair is clean, there is more foam when washing it, and less when it is dirty.

It can be seen that foaming is actually just a by-product produced in the washing process, which is not an indicator of whether the shampoo is good or bad.

Seeing Yang Fei talking and talking, the boy couldn't help but look at him with admiration, and asked, "Classmate, how old are you? Your professional knowledge is very solid."

Zhu Lin laughed and said: "You may not believe it. Yang Fei is just our freshman. He often takes leave and absenteeism. The most hateful thing is that he hasn't failed in his homework and his grades are still so good. ."

Yang Fei smiled indifferently: "Everything in the world is knowledgeable, and society is full of schools."

The boy suddenly said: "I remember, you are the president of the school's entrepreneurial club Yang, right?"

Yang Fei said: "Yes."

The boy said: "I often mention President Yang, but I have never met you. The project we are currently researching is the product of your clean white company!"

Yang Fei said: "The effects of shampoo are diverse. Everyone's hair is different in nature, and there are great differences between regions and individuals. Therefore, we should develop several different types of shampoos to meet the needs of different groups of people. "

Zhu Lin said: "President Yang, we girls usually buy shampoos that are rich in foam. I always feel that more foam is better for shampoo. Even if this is not a hard indicator, it is also a psychological hint that will affect consumers. select."

The boy said: "You girls are hypocritical! Knowing this is a psychological suggestion, you will be fooled!"

Yang Fei smiled and said: "The foam-rich shampoo contains ingredients such as sodium laureth-3 acetate, chlorhexidine acetate, etc., but the decontamination and detergency is slightly weaker because of its weak acidity. It is less irritating to the scalp and can interact with the charge on the hair to keep the hair smooth and flat without frizz, so it is suitable for frizzy hair. We call it acetic acid. Therefore, this shampoo, foam must be A lot. But the bubbles in other models will be considerably less."

The boy was taken aback and asked: "President Yang knows this business well?"

Yang Fei smiled and said, "I have to rely on this business for food, what can I do if I don't know how to do it?"

In addition to the acetic acid series, Clean White has also developed an amino acid series that is suitable for dry hair. The most important ingredients in the formula are sodium lauroyl glutamate, sodium lauroyl ether sulfate and so on.

There is also a betaine series suitable for sensitive skin, which uses sodium cocoyl glutamate, cocamidopropyl betaine and other ingredients to achieve better moisturizing effect, suitable for people with sensitive skin.

There is also a type of human hair that has been damaged and needs to use protein series. The formula contains hydrolyzed collagen, milk and other substances, which is suitable for repairing damaged hair.

As for ordinary people's daily washing and care, most of them use glucoside.

There are often glucoside in the formula table, such as lauryl glucoside.

The main component of this shampoo is extracted from glucose, which has a slightly weaker detergency, but is less irritating, safe, and rich in foam. It is usually mixed with amino acids to enhance the decontamination effect without reducing safety.

In addition to these five systems, there are two series of common shampoos on the market, sulfuric acid and soda.

These two series of shampoos are generally cheaper.

The former uses sodium lauryl ether sulfate and sodium lauryl sulfate, and the latter uses fatty acid sodium salt and sodium hydroxide. Although it has a strong detergency, it will destroy the body’s beneficial oils and make people’s hair more washed. The drier, the worse the chemical composition, the more you use, the hair will even become the same as withered grass.

All in all, whether the foam is rich or not, it depends on the type of shampoo. It cannot be generalized ~www.NovelMTL.com~ Zhu Lin and the boys nodded and said yes, admiring Yang Fei.

Yang Fei and the students in the research group talked freely for more than an hour. His profound knowledge, as well as his grasp of society, the market, and the hearts of the people, quickly conquered the hearts of this group of academic tyrants.

"What we want to develop is the five series of products mentioned earlier, which can basically cover most people's hair." Yang Fei said, "Shampoo is different from washing powder. It acts directly on the skin of the human body. It’s the most important part of the head, and it’s about the image that everyone cares about the most. This is a great effort! Please, everyone, you must do your best to perfect the formula list!"

At this moment, Luo Hongcai suddenly walked in and said with a smile: "Hello everyone, I'm back!"

As soon as he saw Yang Fei present, the smile on his face froze.

Yang Fei said unceremoniously: "Brother Luo, this is the research group of clean white products, and you are the R&D assistant of Procter & Gamble. It is not suitable for you to come here!"

Luo Hongcai was thick-skinned, he smiled, and walked in without mind.