Learn About Allergens
Understand the ingredients that might be causing your skin problems. Our guides explain what to look for and why.
highContact Dermatitis: The Complete Guide
What causes skin reactions from cosmetics, how to identify triggers, and when to see a doc…
highSkincare Guide for Eczema-Prone Skin
How to build a safe skincare routine when you have eczema or atopic dermatitis
highEssential Oils in Skincare: Hidden Risks
Why "natural" essential oils can cause allergic reactions and skin sensitization
highHidden Formaldehyde in Your Cosmetics
How to identify “formaldehyde releasers” (and why heat can make them worse)
highFragrance Allergies in Cosmetics
Understanding parfum, “fragrance-free” claims, and common fragrance allergens
mediumThe "Hypoallergenic" Myth
Why "hypoallergenic" labels don't guarantee safety and what to look for instead
mediumThe Natural Ingredients Myth: Why “Natural” Doesn’t Mean Safe
Essential oils and botanicals can be powerful allergens (and some are phototoxic)
lowUnderstanding Parabens: Facts vs Fear
What parabens do, what the science actually says, and how to choose alternatives
highPreservative Sensitivity: MI, MCI & “Kathon CG”
The preservatives behind many “mystery rashes” — and how to spot them on labels
mediumHow to Read Cosmetic Ingredient Labels
Decode INCI names, understand ingredient order, and spot hidden allergens on product packa…
mediumSulfate Sensitivity: SLS & SLES Explained
Why they feel “extra clean”, and when they become too harsh
mediumSunscreen Sensitivity: Finding Sun Protection That Doesn't Irritate
Chemical vs mineral sunscreens, common irritants in SPF products, and how to find one that…
Ingredient Encyclopedia
Deep-dive into individual cosmetic ingredients — what they are, why they cause reactions, names to watch for on labels, and safer alternatives.
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