Taylor Soper / GeekWire
High-tech hair care: Custom shampoo startup is the latest spinout from Pioneer Square Labs – Companies that spun out of Seattle startup studio Pioneer Square Labsover the past few years dabble in industries such as esports, cloud computing, real estate, advertising, sales tax, and virtual reality. Now you can add beauty to that list. The latest startup out of PSL is called Gemma Labs, a …