Thank you Natures Bio Correct!!! If you looking for the Rolls Royce of skin care for hyperpigmentation, wrinkles, open pores, uneven skin tone, age/ sun spots look no further! Retinol serum is the gold standard in achieving softer, supple, clearer and even toned skin. Use cautiously as directed. This product stimulates collagen production, as you witness your skin transforms into more brighter clearer skin after a months use. 12 weeks of application is advised. Be extremely patient. Dont mind the shedding of skin as your skin purges itself of dead skin to reveal the beauty beneath. My most adored product! Dont forget your sunscreen which is imperative and highly recommended during the application. Try and avoid the sun as you do become overly sensitive to the sun, however sunblock all the time. Get going, take the plunge this spring and spring clean your skin into a more beautiful you!! #bestproduct