Which ones to avoid

Better safe than sorry; that could be the motto of the environmentally sound products.

The rules on the choice of ingredients that may or may not be used in our products are not set in stone. A product that is acceptable on a certain moment in time mustn't necessarily be so forever, many studies try permanently to shed new light on the innocuity or harmfulness of certain products, with less or more latitude.

To avoid unwanted effects which might be linked with certain ingredients, the precautionary principle is used; making that any ingredient with a doubt is excluded from being used.

When making choices at buying it is appropriate to check the ingredient list. Here are a bunch of common substances on which reservations have to be expressed when they are part of a product: which one to avoid.