Ep 243 - It's Giving Glossy: Why K18’s Transformative, 4-Minute Hair Mask is *Actually* Legit with Co-Founders Britta Cox & Suveen Sahib

“There’s Apple and then there’s Blackberry.” K18 Co-founders Britta Cox and Suveen Sahib reveal the secrets behind the high-tech hair mask that sells every 10 seconds around the world – just two years into its debut.