What Didn't Work
These are records of what did not work for Kay's skin, not verdicts on the products or predictions for every skin type.
Why COSRX Snail 96 Mucin Essence Didn’t Work for My Skin
I developed an itchy red rash and small bumps after using COSRX Snail 96 Essence overnight. Here is what happened, what I did, and what testing confirmed.
Why I Stopped Using medicube Collagen Jelly Cream: My Sensitive Skin Reaction
Kay liked the texture of medicube Collagen Jelly Cream, but repeatedly woke up with red, heated cheeks after using it. Here’s why she stopped.