Cosmetic Formulation Science Made Simple
Formula Chemistry is your expert guide to cosmetic formulation featuring professional skincare & haircare formulas, in-depth ingredient guides, DIY recipes, and free formulas by Dr. SamiUllah, Ph.D. in Chemistry.

Workshops & Courses
Ready to formulate your own products from scratch? Join a Formula Chemistry workshop and learn cosmetic formulation the scientific way.

Free Formulations
Explore over 1000 free, tested skincare, haircare, and cosmetic formulas, each one backed
by real formulation science.
by real formulation science.

DIY Encyclopedia
Discover what each cosmetic ingredient does, why formulators use it, safe usage levels, and suitable substitutions.
New Posts & Formulations

Blog
How to Make Perfume at Home: Beginner’s Guide
By Dr. SamiUllah, PhD Lead Formulator, Formula Chemistry Quick Answer: To learn how to make perfume, blend 18% essential oils
4 October 2026
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Blog
Baking Soda Deodorant Recipe + Baking Soda Free Options
By Dr. SamiUllah, PhD Lead Formulator, Formula Chemistry Quick Answer A baking soda deodorant recipe without coconut oil uses 38%
3 October 2026
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Blog
How to Make Natural Deodorant at Home: DIY Recipe
By Dr. SamiUllah, PhD Lead Formulator, Formula Chemistry Quick Answer: A reliable baking soda coconut oil toothpaste recipe blends 58.5%
2 October 2026
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