The CSTA Blog
News, insights and practical advice on cosmetic stability testing, preservatives, shelf life and ACCC compliance — written for Australian cosmetic brands and formulators.
5 Signs Your Cosmetic Product Might Fail Stability Testing
Before you send a product to market, learn the five most common ways cosmetic formulas fail over time — and how stability testing catches them early.
Read articleWhat Is Cosmetic Stability Testing? A Complete Guide
Everything a formulator needs to know about stability testing — what it is, why it matters, and how it protects your product and your business.
Read articleHow Much Does Cosmetic Stability Testing Cost in Australia?
A clear look at what stability testing costs in Australia, what drives the price, and what you should expect to be included.
Read articleSelling Cosmetics in Australia: ACCC Compliance Explained
A simple overview of the rules that apply when you sell cosmetics in Australia — and where stability testing fits in.
Read articleHow Long Does Cosmetic Stability Testing Take?
Planning a launch? Here is how long stability testing takes and how to work it into your timeline.
Read articlePreservative Efficacy Testing Explained (Challenge Test)
What a challenge test is, which products need one, and why your preservative must be tested in the real, finished formula.
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