There are many different types of oil free soap but the name is.
Mild unscented water based oil free soap.
Dhc s mild soap is designed for sensitive skin.
This is important because the wrong soap can coat the cup in a film that is difficult to get rid of it can disrupt the bacteria and ph of the vagina and it can irritate the vagina which is sensitive to soap.
Oil free beauty products like water based makeup and other water based cosmetics are usually recommended for people with sensitive skin these oil free cosmetics and oil free products are quite mild as a rule don t clog the skin pores and are touted to cure or prevent outbreaks of acne psoriasis and other skin problems.
Paraben free and made with olive oil and honey this mild face soap removes dirt and oil without taking away your skin s natural moisture and is ideal with those for sensitive easily inflamed skin.
The liquid neutrogena soap is also nice and mild and is oil and scent free.
To clean your menstrual cups using a soap that is mild unscented oil free and water based is recommended.
Soaps and washes designed for use on babies are also generally pretty mild and may offer some scent free options.
I found some fragrance free dish soap from the ology brand.
I have been on the lookout for a good cheaper mild unscented water based oil free soap to clean my divacup with.