The answer lies in the CQC website
https://www.cqc.org.uk/guidance-providers/registration/treatment-disease-disorder-or-injury
Organisations the CQC regulates:
Regulated activities such as treatment related to disease, disorder or injury by a:
- health care professional
- social worker in the case of mental health treatment
- multi-disciplinary team that includes a listed health care professional
- multi-disciplinary team that includes a listed social worker where the treatment is for a mental disorder
Exclusions not included in this regulated activity:
- purely cosmetic interventions
- most alternative and complementary therapy
- a few others not related to cosmetic interventions