I don't know for sure, but perhaps it is more concentrated than regular Persil Universal. Being Universal means that it contains oxygen bleach so It is not good for dark colors only whites or lights. I use Persil Megaperls which is also more concentrated than regular Persil Universal and it works well on whites and light colors. For darker colors, there is Persil Megaperls for color.

The professional is more concentrated and the universal professional has more oxygen bleach than regular persil universal. Its such a large price increase between the two I now just stick with regular not professional. I use so little anyways it’s very cost effective. I didn’t see a huge cleaning difference to make me buy it a second time.