On today’s show we are doing an all hair extravaganza and we’ll be answering questions about… Can coal tar be a substitute for AHA/BHA?What are the downsides to those fast developing colors?Are salt sprays for hair safe to use?Are you wasting money buying purple shampoos?Beauty Science News L’Oreal patents a custom robot controlled hair dye kit? Tested to be trusted program at CVS - could this work for beauty products? 3 Ways to Ask a question - 1. You can record your question on your smart phone and email to thebeautybrains@gmail.com /> 2. Send it to us via social media (see links below)