you and so because when you go that the same areas and we don't try to switch from here to there just but it will help the dead skin so might as well put the most expensive products on your shoe usually the serum is more concentrated and that's why you paid three for four times five times for the amount as you pay for creams but the cream is usually has more site or different ad gravity theory cream ditional products serum is more present but if you have for example this is my professional size of serum right this is collagen elastin this is how it's been sold for the esthetician in the room to use and this is decides that it's been sold to the client what doesn't gonna last too longer and we come back to the most difficult the most complicated skin or your skin the dry skin if you apply a product you apply a serum and you see it's not enough it's more or two things maybe it's not good enough for you it's not to reach enough for you and you may need to add another moisturizer but for oily skin it's much more complicated you