All shampoos contain some surfactants that are harmful to the skin. However, surfactants can function as cleaning, cleaning, emulsifying, hydrating, emulsifier, and the like. According to the type of surfactants, they can be divided into three categories: oil-based surfactants, plant surfactants, and amino acid surfactants.

What is an oil-based surfactant?

Oil-based surfactants are complex surfactants with oil as the main component.

Advantages of oil-based surfactants: Oil-based surfactants have "reasonable prices" and strong detergency. Since it uses crude oil, it can be manufactured on a large scale, mainly at low prices. Has strong cleansing and degreasing properties

Surfactants are great at removing oil and can't be rinsed off with water, so it's easy to clean for those with sweaty, oily hair, which is a big plus.

Disadvantages of oil-based surfactants: The cleanliness and degreasing rate of oil-based surfactants vary from person to person, especially for sensitive and dry skin. The oil-based surfactants contain "sodium lauryl sulfate", "lauryl alcohol" and "sodium lauryl sulfate.

Also, people with dry skin on the hair have a drier scalp if washing and degreasing too much, so dandruff can occur. Excessive oil from hair loss can also cause excessive sebum production. If you wash your hair every day and still don't feel sticky, then you should consider a different shampoo.

Due to the deterioration of the scalp condition, the growth and shedding of hair can be affected. To identify oil-based shampoos, simply look at the ingredients.

How to improve oily hair:

Improvement method 1: Use a shampoo with a cleansing effect, choose a mild shampoo, use it every day, it will not cause damage to the hair, nor irritate the scalp, but will make the skin more greasy. Shampoo for oily hair with stronger shampoos. Detergent with cleaning effect. You can use this method only if your oily hair becomes shiny and frizzy.

Improvement method 2: All hairstyles can prevent hair roots from sticking to the scalp. This involves puffing up the roots a little or spraying them with a mist of styling liquid. To make your hair grow straight, you must be careful with the airflow from the hair dryer, not directly on the hair, which is the sebaceous glands.

Improvement method 3: Let oily hair dry in the air without blowing hair. This is to save time and also to protect your hair.

Improvement method 4: Wash the hair roots with shampoo between the hair. Especially "oily damaged hair". To do this, it is necessary to have a bottle with a spray head, mix one oil repellant with four parts hot water in a bottle, and use the spray head to spray directly on the roots. Let the shampoo lather and rinse it off. The shampoo from the roots to the hair is enough to cleanse.

Improvement method 5: It is recommended that people with oily hair should eat less greasy food, eat more vegetables and fruits, and drink more water at the same time, which can reduce the secretion of sebaceous glands. Also, wash your hair every day, even in summer, if the weather is humid or windy, you can wash your hair twice a day, but choose a milder shampoo; for conditioners, use products that have a shrinking effect it's the best.