Ingredient Science
Choosing an Emulsifier System for a Cosmetic Formula
Emulsifier choice is treated as a technical footnote and is actually one of the most consequential decisions i…
Insights & Guides
Everything we have learned from 15 years of manufacturing for global beauty brands — shared openly.
OEM Guide
Sample Management: Development, Retention and Stability Samples
When a complaint arrives in month nine, the only way to know whether the batch was made correctly is to test t…
OEM Guide
From Pilot Batch to Production: Managing Cosmetic Scale-Up
A formula that behaves perfectly in a five kilogram bench batch can fail in a five hundred kilogram production…
Certifications
Choosing a Third-Party Cosmetic Testing Laboratory: What to Commission
Factories run their own release testing, but the studies a brand needs for registration sit with accredited th…
Ingredient Science
Hair Oil and Hair Serum: Silicone vs Plant Oil Systems
The choice between a silicone and a plant oil system is a positioning decision that determines the formula, th…
Ingredient Science
Vitamin C Stability: Derivatives, pH and Packaging
The most studied antioxidant in skincare is also the one most likely to be dead on arrival. Stability is a sys…
Certifications
Shelf Life and PAO: Setting Expiry Dates Correctly
There are two clocks on a cosmetic product and brands routinely confuse them. One is set by stability data; th…
Certifications
Stability Testing for Cosmetics: What Brands Must Know
A formula that looks perfect in the sample jar is not a product. Stability testing is the step where most earl…
Ingredient Science
Retinol and Anti-Aging Formulas for Private Label Brands
Everyone wants a retinol product. Most first attempts fail stability testing. The decisions that decide whethe…