The function of shampoo is the same as that of soap, and it is used to remove dirt. Shampoo uses very small molecules to tightly wrap around dirt stuck to the hair, making it easily soluble in water, and rinsing with water will fully wash away the dirt. So, can soap also be used to wash hair? Is it good to wash hair with soap?
Is it good to wash your hair with soap?
Soap can not be used to wash hair. Because soap itself is easily soluble in water, when it is combined with some metals in the water, such as calcium, magnesium, etc., it will turn into insoluble components, and attached to the hair, resulting in a greatly reduced washing effect. Soap scum once attached to the hair, not only will make the hair lose its original gloss, and will bring damage to the hair quality and other adverse effects.
Soap can make hair brittle
As the alkalinity of soap is too strong, washing hair with soap will stimulate the scalp and increase dandruff. At the same time, strong alkali can damage the keratin protein of the hair, making the hair denatured, brittle and easy to break.
Soap can make hair frizzy
The main effect of soap is to remove grease, but the scalp and hair need a certain amount of oil to protect, often wash your hair with soap, it will make the hair frizzy and lose the hair itself smoothness.
Soap can prevent the absorption of nutrients in the hair
Because the hair is strongly alkaline, if you often wash your hair with soap, it will affect the absorption of nutrients, stimulate the epithelial cells of the scalp keratinization, causing dry scalp, increased dandruff, shorten the normal life of the hair, accelerate the head back to fall off, and even lead to baldness in serious cases.
Soap can make the hair lose its luster
Because soap is oil and water type emulsifier, it is easy to form insoluble calcium and magnesium compounds in hard water. Therefore, after shampooing, a layer of precipitate remains on the hair, making the hair lose its luster.
