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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DIY Encyclopedia
Discover what each cosmetic ingredient does, why formulators use it, safe usage levels, and suitable substitutions.
New Posts & Formulations
Blog
Eczema-Friendly Skincare Formulation: Ingredients to Avoid
Quick Answer Eczema-friendly skincare formulation means building gentle products around barrier-supporting and soothing ingredients while strictly avoiding common triggers. The
19 August 2026
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Blog
Pregnancy-Safe DIY Skincare Guide: Chemist-Approved Recipes
Quick Answer Pregnancy-safe DIY skincare means formulating with ingredients that dermatology bodies consider low-risk during pregnancy, while avoiding those commonly
18 August 2026
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Blog
Cold Process vs Hot Process Formulation: Emulsion Fails?
Quick Answer The choice in cold process vs hot process formulation is decided mainly by your ingredients. Hot process heats
17 August 2026
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