Beauty Education
Product literacy is the fastest route to better buying. These guides cover makeup, skincare, ingredients, storage, freshness and fragrance without the marketing gloss.
Product guides
Different formats age and behave differently. Here is the short version for each.
Terminology
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A batch code is a manufacturing fingerprint. Learn where to find it, what it can tell you, and why every result is an estimate.
Read more Product Safety6M, 12M, 24M — the open-jar symbol tells you how long a product stays good after you open it, not how long it lasts on the shelf.
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Read more Product SafetyPackaging, print quality, texture, scent and paperwork — the signals worth checking before and after you buy.
Read more SkincareHeat, light and air are what degrade your serums — not time alone. Where you keep a product often matters more than its expiry date.
Read moreFAQ