worth every penny [SEP] terrific list of ingredients this stuff is the real deal i could feel immediately on application that this product contained retinol as advertised and not a watered down serum variation remember to moisturize after this is a terrific product to use as your retinol go toi got a lot of info from marie claire article by katie thomas retinol the only ingredient that will reduce wrinklesyour skin s collagen level starts to deplete at age retinol helps with skin elasticity wrinkles laugh lines and pigmentation aka age spotsretinol is a derivative of vitamin astart low increase to is best but only available with a prescriptionwhen you first try your skin may get dry red flakyonly use twice a week gradually increase to daily as desiredapply a pea sized amount at first and increase amount and as negative side effects decreaseuse anytime day or night just use sunscreen after if going outdoorsanywhere you see signs of aging is a good place to apply face arms hands legs neckavoid the skin around your eyes as it is too delicateaqua water eaucaprylic capric triglyceride emollient natural moisturizing factor replenishment texture glycerin hydration natural moisturizing factor replenishment dimethicone conditioner silicone glyceryl stearate emollient emulsifier peg stearate emulsifier polysorbate emulsifier retinol age delay brightener phenoxyethanol preservative sodium hyaluronate crosspolymer hydration replenishment restoration carbomer thickener cetearyl alcohol thickener caprylyl glycol conditioner emollient preservative ceteareth emollient emulsifier ethylhexylglycerin preservative bht preservative allantoin sooth disodium edta ph buffer preservative hexylene glycol preservative sodium hydroxide ph adjuster pentylene glycol solvent bha preservative hexanediol preservative beta glucan antioxidant sooth myristoyl pentapeptide age delay