Beauty salons in Vietnam have legal injections. According to relevant public information, cosmetic injection is a legal service in Vietnam, but it must be operated and supervised by qualified professionals. All beauty salons and medical institutions must abide by the relevant regulations and standards of the Vietnamese government, including health and safety standards. In addition, cosmetic injection must comply with national laws and regulations, which involves the ethics and professional standards of the medical industry to ensure the safety and health of patients. Therefore, if you are considering cosmetic injection in Vietnam, it is recommended that you choose a qualified and reputable institution and ensure that it meets the relevant government regulations and standards.