Tablets and gel capsules have just the right amount for a full load wash so they’re particularly convenient and easy to use.
Powders and liquids allow for more flexible dosing. Read the label and follow the dosing instructions.
There is a growing use of multi-functional products (e.g. 3-in-1, all-in-one) which combine several of these functions.
This icon was officially endorsed by the United Nations in mid 2019 and included in the GHS Sub-committee guidelines (Globally Harmonized System of classification and labelling of chemicals).