There are some "Wet & Messy Party" videos on this user's FC2 channel. Most are coed but some just focus on the ladies, like "Wet & Messy Party 2/5".

https://video.fc2.com/a/account/73445914

As has been mentioned before (in a long deleted post), you can find a few more things on FC2's adult video site using search terms in Japanese for words like "messy", "paint", "lotion", ...etc. (Google translate helps). The "Unlimited Views" ones are free. Here's a candy squishing one I like that was new to me:

https://video.fc2.com/a/content/20190531wmPbU617