why this is a good value [SEP] this is pure geniusafter unscrewing the top of the cap you will see the film that protects the batteries after you remove it put the top back on and separate the light unit from the jarthe red led light will be activated by pressing against your skin does that light actually do anything or is it a gimmickthere are a number of high priced red light units on the market they were first used in dermatologist offices and med spas when they first came out i had a red tanda unit this is exactly the same concept and yes you will have a slight differencethe amount of cream gone in the jar has been for about applications i do it at night so i can relax while holding the unit at various places on my face the red light goes on when you press slightly on the metal ring as you can see in the photographs as you press it to the area of your face that you want treated slide it from the middle of your face outward for minutes then go to the next area this way you get a little bit of a lymphatic massage if you suffer with sinus headaches this action is very good at offering some relief the cream is very lightly fragranced with a fresh scent it is a gel or mousse type of creamafter purchasing this you can get the cream refillso much cheaper than buying an led light device like a tanda