Conversation about preferences, boundaries and comfort of people participating in intimate contact. It allows you to agree on, among other things, the use of products and the way of touching. It does not require fulfilling a ready-made script, and changing your mind is allowed at any stage.
A specific message helps you understand boundaries
Conversation about needs may include type of touch, pace, product use, or desire for a break. The most useful information is information about your own feelings, without assuming that the other person will read them from your behavior. Preference may change during contact and does not require justification. The arrangements from the previous meeting do not replace the current conversation. Also, silence, lack of protest or physiological reaction should not be treated as a sure answer to a question about consent.
Short questions during contact can be more clear than trying to guess. They help determine whether the pace and type of touch still suits both people. Equally important is the ability to calmly say no or say differently now, without interpreting such a response as an assessment of the entire relationship.
Meaning and application
It's easiest to start the conversation with something specific: smell, consistency, area of touch or the need for a break. You don't have to create a full script right away. It's good to separate your own preferences from the assumption that the other person feels the same.
In practice
Use questions that you can freely answer with no. Before opening a new preparation, agree on its use and read the instructions. Doubt or silence is a signal to check the situation, not to act on guesswork.
Do not use the manufacturer's promises as an argument to convince you despite rejection. A cosmetic does not alone solve the difference in needs. The conversation isn't about getting a one-time confirmation for all future situations - preferences may change over time.