Relevant section of the talk (about all sorts of seals, not just nail polish): https://www.youtube.com/watch?v=d6tdq603z20&t=1h45m31s https://www.youtube.com/w

Relevant section of the talk (about all sorts of seals, not just nail polish): https://www.youtube.com/watch?v=d6tdq603z20&t=1h45m31s https://www.youtube.com/watch?v=d6tdq603z20&t=1h45m31s