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
Viscosity Control in Cosmetic Formulations: Thin or Thick?
Quick Answer Viscosity control in cosmetic formulations is the practice of adjusting a product’s thickness and flow using rheology modifiers,
16 August 2026
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Blog
Fragrance Solubilization in Cosmetics: Fix Cloudy Formulas
Quick Answer Fragrance solubilization in cosmetics is the process of dissolving oil-based fragrance or essential oils into a water-based formula
15 August 2026
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Blog
Cosmetic Ingredient Comparison Hub: Formulator’s Guides
Quick Answer This cosmetic ingredient comparison hub gathers side-by-side guides to the ingredient choices formulators face most often, from emulsifiers
14 August 2026
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