No problem to use. In fact, this is preferred over “regular” liquid soaps - see here: https://asktherav.com/4116-do-i-need-to-dissolve-my-dish-soap-before-shabbos-or-is-it-already-watery-enough-to-use/ Sources: ע"פ קצות השולחן סימן קמו בבדי השולחן סוף סקל"ב שאין…
