"i had suffered with acne for about 4 years. i was 29 when i first started using differin gel. after 2 months my skin was completely clear and i am so happy. i would recommend differin to anyone. i didn&#039;t need to waste money on other products that don&#039;t work. differin has changed my life. flawless skin finally. i&#039;m 30 now and i&#039;ve been using differin for 6 months. best acne treatment on the market."