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Which ingredients make one okay, and one not?
  • Skin Laboratory has a Salicylic Acid Peel (okay to put on your face) and here are the ingredients as listed on their website:
    Salicylic Acid (20%), Propylene Glycol, Denatured alcohol, Polyacrylamide, C13-14 Isoparaffin, Laureth 7.

    Dr. Scholl's has a Liquid Corn and Callus Remover (not okay to put on your face) and here are the ingredients as listed on drugstore.com:
    Salicylic Acid (17% w/w), Castor (Ricinus Communis) Seed Oil, Ethyl Lactate, Flexible Collodion, Polybutene, Alcohol (18% v/v), Ether (53% v/v from flexible collodion)

    Obviously, both have a high amount of Salicylic Acid, but other than that, I was curious to know which ingredients make the first alright to put on your face, and the second a serious mistake. Any ideas?
  • Not the Brains, obviously, but from what I know, "Collodion" (+ alcohol/ther) is a kind of very very thin bandaid that is left on the skin after the liquids evaporate.
    If this is the case, it's not something I'd like on my face !
    I'm absolutely not a specialist, however, so takes my answer with a pinch of salt.

    (If my memory is right, ether's OTC use was controversial ?)