It is ok to wash Thai shampoo once or twice, but it should not be regarded as a daily health care method. It's best to put a towel under your neck when you lie down and wash your hair, so that you won't lean too low. Don't get up too hard after washing. You should slowly raise your head, sit up slowly and gently turn your neck, which will help restore blood supply to your brain.
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Every change in the way of washing hair represents the improvement of people's living needs, indicating that people's consumption level is getting higher and higher. Hong Kong shampoo, European shampoo, Guangdong shampoo, Shanghai shampoo and so on.
The same feature of the previous shampoo method is that the shampoo is single. After sitting dry-cleaning my hair, I didn't have the necessary services such as washing my face, washing my eyes, knocking on my back, and massaging. And the shampoo time is relatively short. The disadvantage of these methods is that guests can't get a rest when washing their hair.
Thai shampooing originated from the secret recipe of Thai court, and it is a method of leisure and fitness for king ministers, which is rarely known by outsiders.
Reference source: Baidu Encyclopedia-Thailand Shampoo