Very unhappy with this company. They. guarantee a trial basis and refund if you are unhappy with the product, once you report it, the games begin. I’ve used all kinds of retinols and this one was one of the worst. I saw absolutely no progress, not even a tiny bit after 3 weeks. I’ve used over the counter products and have seen results in a few days! I tried to get the strength changed and they just sent out the same one and charged me $80. You can’t call them either! You have to communicate through text first and then email. Convenient way to not really have to “deal” with customers. I didn’t expect my face to change over night, I know a lot about retinols but you should see a little improvement from the get go. I could go on and on but I’ll spare you. I do not recommend this product to anyone and I now question the influencers promoting this line.