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.

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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 Natural Perfume with Botanical Tinctures
By Dr. SamiUllah, PhD Lead Formulator, Formula Chemistry Quick Answer: To learn how to make natural perfume, dissolve 15% essential
7 October 2026
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Blog
How to Make Natural Toothpaste at Home: DIY Recipe
By Dr. SamiUllah, PhD, Lead Formulator, Formula Chemistry Quick Answer: Natural toothpaste is built from a mild abrasive such as
6 October 2026
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Blog
How to Make Toothpaste with Baking Soda (DIY Recipe)
By Dr. SamiUllah, PhD, Lead Formulator, Formula Chemistry Quick Answer: A baking soda toothpaste is built around sodium bicarbonate at
5 October 2026
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