Review title is 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 to.<br /><br />I got a lot of info from Marie Claire article by Katie Thomas 'Retinol - the only ingredient that will reduce wrinkles'<br /><br />Your skin’s collagen level starts to deplete at age 25.<br />Retinol helps with skin elasticity, wrinkles/laugh lines and pigmentation aka age spots.<br />Retinol is a derivative of vitamin A.<br />Start low ( 0.3%)  increase to 0.5%. 1% is best but only available with a prescription.<br />When you first try your skin may get dry, red & flaky.<br />Only use twice a week, gradually increase to daily as desired.<br />Apply a pea-sized amount at first and increase amount and % as negative side effects decrease.<br />Use anytime day or night, just use sunscreen after if going outdoors.<br />Anywhere you see signs of aging is a good place to apply, face, arms, hands, legs, neck.<br />Avoid the skin around your eyes as it is too delicate.<br /><br />Aqua/Water/Eau,<br />Caprylic/Capric Triglyceride (emollient/natural moisturizing factor/replenishment/texture),<br />Glycerin (hydration/natural moisturizing factor/replenishment),<br />Dimethicone (conditioner/silicone),<br />Glyceryl Stearate (emollient/emulsifier),<br />PEG-100 Stearate (emulsifier),<br />Polysorbate 20 (emulsifier),<br />***Retinol (age delay/brightener),<br />Phenoxyethanol (preservative),<br />Sodium Hyaluronate Crosspolymer (hydration/replenishment/restoration),<br />Carbomer (thickener),<br />Cetearyl Alcohol (thickener),<br />Caprylyl Glycol (conditioner/emollient/preservative),<br />Ceteareth-20 (emollient/emulsifier),<br />Ethylhexylglycerin (preservative),<br />BHT (preservative), Allantoin (sooth),<br />Disodium EDTA (pH buffer/preservative),<br />Hexylene Glycol (preservative),<br />Sodium Hydroxide (pH adjuster),<br />Pentylene Glycol (solvent),<br />BHA (preservative),<br />1,2-Hexanediol (preservative),<br />Beta-Glucan (antioxidant/sooth),<br />Myristoyl Pentapeptide-8 (age delay)