Questions from the recent Zoom workshop on shampoo bars: Adding other ingredients, including purple dyes, botanical extracts, and keratin

I’m still going through the chat log for the shampoo bar workshop we held on Sunday, June 14th, 2020 trying to answer the questions I might not have addressed. In today’s post, we’ll take a look at adding all kinds of other ingredients to our bars. Wow, this should have been a book! I’m over 7,000 words…