The process of choosing a shampoo is the same as choosing a facial cleanser. First, it must be registered by the state, and the brand is regular. Choose the one that suits your hair and hair texture. Select suitable surface active ingredients, namely foaming agent. Do you want your hair to be shiny and shiny? Let's move on.

Why should we pay attention to the active ingredients in shampoo?

In addition to Sanwu products, other cosmetics will be marked on the outer packaging. Except for water, everything else is surface active. Therefore, from the perspective of surface active ingredients, we can see the quality of shampoo and determine the quality of shampoo. the value of. At the same time, the amino acid surfactant is more beneficial to the human body because of its strong natural and weak acidity, and it is the most advanced detergent in the world.

Surface active ingredient in shampoo 1. Sulfate

The most commonly used chemical ingredient on the market today, it is very cheap and works well in many shampoos, but if it comes into contact with human hair for a long time, it will cause many problems.

Common name: sodium lauryl sulfate, lauryl alcohol, English abbreviation is SLS or SLES, also known as S-type surface activity. The easiest way is to look for "sulfur" in the name.

Advantages: It has rich foam, has a good cleaning effect, and is suitable for different water quality and areas.

Disadvantages: strong degreasing ability, strong irritation, not easy to clean, long-term use will cause damage to the sebum film of the scalp, causing dry hair, itching, dandruff and other problems. In addition, due to excessive degreasing, the sebaceous glands often secrete a large amount of The oil can cause damage to the hair, and long-term use can cause hair loss. It is especially important to note that when hair is completely dormant, it cannot be reversed.

Surfactant two in shampoo, sulfonic acid surfactant

It is also a surface activity-enhancing product of sulfate, but it does not generate dioxane when used, so it cannot be regarded as a mild surfactant on the whole, and the price is relatively cheap.

Name: Olefin-C14-16

Advantages: low price of raw materials, strong cleaning ability, easy to decompose, and can be used for composite use.

Disadvantages: Strong irritation, not suitable for dry and sensitive hair.

Surfactant three in shampoo, amino acid surfactant

Popular in Japan in recent years, it is derived from plants and grains.

Generic Names: Potassium Cocoyl Glycinate, Sodium Cocoyl Glutamate, Sodium Cocamidopropionate, Sodium Methyl Cocamidopropionate, Sodium Lauroyl Sarcosinate, Methyl Cocoyl Taurine satisfied.

Features: The hair cleaning effect is good, it is not irritating, and it is easy to clean.

Disadvantages: The bubble speed is slow, the foam diameter is small, and the cost of raw materials is high. For example, the price of sodium lauroyl sarcosinate is 2 to 3 times that of sulfate, while the price of sodium methyl cocoyl taurine is 5-6 times that of sulfate.

Surfactant 4, glucoside surfactant in shampoo

This is a commonly used active substance. It is extracted from glucose and fructose. It is a natural substance. It has a strong cleaning ability and is mainly used in baby shower gels.

Name: Lauryl Glucoside, Coconut Glucose, etc.

Advantages: It has a softer cleaning effect, strong water resistance, rich foam, non-irritating, suitable for sensitive people.

Disadvantages: high cost of raw materials, unstable in some cases, mostly used for mixed use, more used in shower gels and facial cleansers.