Five Star Gift Ideas

That's a great interest! Here are a few gift ideas that might interest him:

1. Personalized Cosmetic Chemistry Lab Coat - Consider getting him a lab coat with his own name embroidered on it. This will make him feel like a real scientist.

2. DIY Cosmetic Chemistry Kit - Give your husband the tools he needs to make his own cosmetics with a DIY cosmetic chemistry kit. This kit should include things like beakers, graduated cylinders, droppers, and other tools he'll need to make cosmetic products.

3. Chemical Element Cufflinks - For a more stylish gift, consider getting your husband cufflinks made from the elements of the periodic table, particularly elements that are used in cosmetic chemistry, like copper or zinc.

4. Custom Cosmetic Label Maker - Get your husband a label maker that he can use to create his own custom cosmetic product labels. This is perfect if he plans on sharing his creations with others.

5. Subscription to a Cosmetic Chemistry Magazine - Consider getting your husband a subscription to a magazine that specializes in cosmetic chemistry. This way, he'll stay up-to-date on new formulas, ingredients, and trends in the field.

Or you can get him a star map with the date of your anniversary.