Under normal circumstances, oily hair can be neutralized, slightly alkaline simple cleaning shampoo. Neutralized hair can be neutralized and slightly acidic shampoo containing simple medical ingredients. For dry hair, it is better to choose the shampoo with sour taste, acid and medical ingredients, and use it together with hair care cream, or often bake oil. In summer, the average temperature is relatively high. With the acceleration of the basic metabolism of the body, the top of the head and the face produce oil, and the hair is covered. Part of the hair is hot and easy to sweat. The oil and sweat mix, and the hair always looks like
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