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The Science Behind Skincare
UV Filter System Quality
How well a sunscreen performs in real life depends not only on its stated SPF but also on 6 critical formulation factors - from broad-spectrum coverage to photostability and film durability.
Hydration & TEWL Prevention
Keeping skin hydrated requires drawing water in, sealing it in, and rebuilding the barrier. We explain the factors Aelon IQ analyses to determine the product's potential to hydrate.
Barrier Lipid Replenishment
Replenishing the skin's barrier requires the right lipids, in the right molecular forms, in an appropriate ratio, and delivered so that the skin can incorporate them. Each is a distinct requirement, set out below.
Active Efficacy
The presence of an active on a product's INCI list does not guarantee its efficacy. We analyse the factors that determine an active's efficacy in a formulation.
Sensitisers & Acne Triggers
All skincare products on the EU/UK markets are required to demonstrate safety. Yet many (even the 'natural' ones) contain ingredients that may cause a skin reaction. The reality is complex and nuanced.
Cosmetic Elegance
Cosmetic elegance describes a product's residue, texture, and finish. Distinct from functional performance, it can determine whether a product is used as intended, and thereby the benefit it ultimately delivers.