Aqualyx also known as "Motolese solution" or "M solution" is a new injectable preparation approved as a medical device. It does not contain phosphatidylcholine. The obligatory technique of introducing Aqualyx - the intralipopterotherapy technique - is the safest and completely painless method of performing the procedure. It consists in injecting the fatty tissue site with a special needle - from only one or two injection sites - i.e. during the procedure the patient is poked with the needle 2 - 4 times.