Terrible harassment

<p>Hi there, I received a free gift sample from Isabella Garcia. I was REALLY excited! I used it, and ended up having the very worst reaction to their products. A few weeks went by, and I got my first call. As to not sound insulting, I simply said to the sales lady that the product is not for me, thank you. After quite a long call, and having to really convince her she went on her way. A few days after that, I got another call. Eventually around the 4th call, I explained to the lady how I had gotten really bad blood blisters on my face, followed by awful ****les and ended up having to pay around 3 times as much for Dermalogica to try fix the problems that this product had given me. It has taken over 3 months to get my skin slightly better. I have explained this probably 5 times so far. Please, can someone tell me how to make these people stop calling? Short of standing outside their offices with sign boards, I don't know what else to do :( Is it really at the stage where to just stop the harassment, I buy their products and throw them in the bin?</p>