This $25 Serum Is Scientifically Proven to Work

After spending an entire day with scientists in the No7 lab in the UK, it became clear to me there's more to the brand than just a bit of skincare and makeup. Its collection of products, made popular across the pond for its low price points and effective formulas, has a rich history. I pressed each person I came into contact with for more information about the packaging, the ingredients, how the new "millennial" serum is made, and why everyone seems to have fallen in love with the products. Below find the fascinating takeaways.