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
GMP for Cosmetics: Pass Audits & Stop Contamination
Quick Answer GMP for cosmetics is defined internationally by ISO 22716, the standard covering personnel, premises, equipment, raw materials, production,
31 July 2026
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Blog
Private Label vs Custom Formulation: Stop R&D Capital Waste
Quick Answer Private label vs custom formulation comes down to speed and ownership rather than quality, since both routes can
30 July 2026
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Blog
Fix: Scaling DIY Formulas to Commercial Production
Quick Answer Scaling a DIY cosmetic to commercial production fails when formulators copy percentages and ignore process, because heat transfer,
29 July 2026
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