I got this from the original website,but I went to my dermatologist and I got a different prescription due to this I'm not able to use this ,if you want you can just buy from me,I haven't use it more , it's a 100ml bottle. If you want you can search on YouTube about the The derma co. 2.5% benzoyl peroxide gel face wash. it's a really good face wash for acne prone skin, I promise I haven't used it frequently and plus it's little bit expensive,it cost me 300 rupees. In concluding,if you want just buy from me Thank You...🎀✨