WELCOME TO MY PROFILE My name is CATHRINE and I formulate custom skincare and haircare products with real cosmetic chemistry experience exact ratios, manufacturing methods, and ingredient sourcing guidance you can build a real product on. I also write, edit, and format books for Amazon KDP, Kindle, and print from raw manuscript to a clean, publish ready file, or a full ghostwritten book from scratch. Two different skills, one standard: precise, technical, genuinely usable work, whether you're a brand developing a formula or an author ready to publish.... Lee más