Brand new and sealed. Full-size retails form$102. SYMBIOSIS LONDON Blemish treatment serum. This blemish fighting serum features salicylic acid + zincidone. It fights pimples with two powerhouse ingredients: salicylic acid and zincidone. Salicylic acid helps dissolve the dead skin cells and build-up that gets stuck in pores leading to breakouts, while zincidone regulates excess sebum production and minimizes acne-causing bacteria on the skin. It’s vegan and cruelty free!