pH and Osmolality measures 

https://www.womensvoices.org/osmolality-ph-properties-commercial-lubricants/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4190534/
https://www.yesyesyes.org/faqs/faqs-what-is-osmolality/

Ingredients

https://www.yesyesyes.org/why-yes/ky-jelly-how-does-yes-compare/
https://www.womensvoices.org/lubricants-womens-health/

Moisturiser:

https://www.pelvicrelief.co.uk/vaginal-moisturisers-what-is-osmolality/
Hyaluronic acid vs estriol for  moisture: https://pubmed.ncbi.nlm.nih.gov/24178484/

Yes Products in South Africa: https://www.matildas.co.za/search?q=yes

Ohnut Co:
Desir: https://www.desir.co.za/sex-toys/ohnut/ohnut-rings-set-of-4-ohnut-ref2266.html
Matildas: https://www.matildas.co.za/products/ohnut-set

Dilator Sets:
https://www.mysexualhealthshop.co.za/products/vaginal-dilators

Matildas: ‘candice’
My Sexual Health: ‘Langford’