Following is a transcript of the video. Narrator: Here's how four soap factories create their products. Dr. Bronner's Magic Soaps has been around since 1948 and is most famous for its pure castile ...

Hot process soap making is a fast, rustic, and rewarding way to craft bars you can use within days—and kokum butter can take them to the next level. By understanding the role of heat, fragrance timing ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Walk into any beauty store with artisan soap and you may wonder what it would be like to craft your own.