Using the table
Dirt removal score
is made up of general detergency soil removal score (50%), grass (25%) and tomato (25%). All tests are done in cold water (20°C).
P or NP
on packaging Phosphates which contain phosphorus help soften the water and keep extracted dirt in suspension. But high levels of phosphorus can lead to excessive growth of blue-green algae in inland waterways. P means low phosphorus (<7.8 g/wash) and NP is for no phosphorus or less than 0.5%.
target protein, starch or biological-based stains such as grass or blood. Different enzymes target different stains. Enzymes are known to cause irritation, so should be avoided by those with sensitive skin.
coat the fabric with fluorescers that absorb ultraviolet light and re-emit it as blue light, making the clothes look whiter and brighter even though they don’t actually remove any dirt. Products with brighteners are best avoided by people with sensitive skin.
Packet size/number of washes
The most popular size we found in stores, calculated on the number of washes using the recommended dose for a normal wash (or lightly soiled if there isn’t one).
This is the price we paid for the pack size listed.