I want to buy dermalogica products off ebay, good idea or not?

i want to start using dermalogica products and they seem to be a reasonable price off ebay.





Is this a good idea or not? How can i gaurantee the products are genuine?





Thanks for youe help in advance.I want to buy dermalogica products off ebay, good idea or not?
on eBay feedback numbers are the only way to judge the legitimacy of the seller

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