A-z Of Natural Cosmetic Formulation Pdf [verified] May 2026
The A-Z of Natural Cosmetic Formulation is a popular reference book written by Gail Francombe (founding director of the School of Natural Skincare) and Tina Svetek.
J – Jojoba Oil
Liquid wax ester, very stable, mimics sebum. Use 5–20% in serums or creams. a-z of natural cosmetic formulation pdf
C — Conservation & Preservatives
- Why needed: Prevent microbial growth in aqueous products.
- Natural-preserving approaches: Broad-spectrum preservative systems (sodium benzoate + potassium sorbate adjustments, gluconolactone + sodium benzoate, phenoxyethanol alternatives are not "natural"). Use pH control and chelators.
- Testing: Challenge testing recommended; for home scale, follow strict hygiene, acidify to safe pH, use anhydrous options for preservative-free products only.
P — pH & Chelators
- pH targets: Skin-friendly 4.5–6.5 for most products; adjust acid-sensitive actives accordingly.
- Chelators: Citric acid, sodium gluconate, gluconolactone (stability enhancers).
- pH testing: Calibrated meter preferred.
P is for Preservation
This is the most critical chapter. The PDF addresses the debate: “Do I need a preservative?” (Spoiler: Yes, if you use water). Learn about Leucidal, Geogard, and why "natural" doesn't mean "immune to mold." The A-Z of Natural Cosmetic Formulation is a