Hypoallergenic & sensitive skin
What “hypoallergenic” and “for sensitive skin” mean, how reactions happen, and how to test a product before you trust it.
Hypoallergenic & sensitive skin
Shaving and sensitive skin: razor burn, bumps and aftershave
Razor burn and razor bumps are different problems with different fixes. How each one happens, the shaving technique dermatologists recommend, and why an aftershave that stings is worth swapping.
Hypoallergenic & sensitive skin
Skin changes in menopause: dryness, sensitivity and what helps
Falling estrogen changes your skin: drier, thinner, itchier and quicker to react. What the research says about menopause and the skin barrier, a gentler routine, and when itch needs a doctor.
Hypoallergenic & sensitive skin
The ingredients most likely to cause a skin allergy
Patch-test clinics see the same culprits again and again: nickel, the preservative methylisothiazolinone, fragrance mix and a few others. Here’s where they hide in daily life.
Hypoallergenic & sensitive skin
Allergic to “natural”: plant extracts, propolis and botanicals
Chamomile, calendula, arnica, propolis and other botanicals can cause skin allergies too. Which plant ingredients cause reactions, why natural isn’t automatically gentler, and how to find out.
Hypoallergenic & sensitive skin
Trying a new product? Test it on a small patch of skin first
How to test a new cream, cleanser or cosmetic at home: where to put it, how often, for how long, what a reaction looks like, and why a home test can miss slow allergies.
Hypoallergenic & sensitive skin
Why you can suddenly react to a product you’ve used for years
A cream or shampoo you’ve used for ages suddenly gives you a rash. How allergies build up over time, why formulas and old bottles change, how your own skin changes, and what to do next.
Hypoallergenic & sensitive skin
“Gentle on skin”: what actually makes a product gentle
Gentle is formulation, not a feeling: pH close to the skin’s, milder surfactants, no fragrance or dye, fewer ingredients. How labs measure it, for cleansers and laundry alike.
Hypoallergenic & sensitive skin
Contact dermatitis on hands, face and eyelids: clues to the cause
Where a rash appears says a lot about what caused it. How to read patterns on the hands, face and eyelids, why nail polish can cause eyelid rashes, and what patch testing tends to find.
Hypoallergenic & sensitive skin
How patch testing finds what your skin reacts to
A patch test puts dozens of common allergens on your back and reads them over several days. What it finds, the most common positives, and how to get one in Canada.
Hypoallergenic & sensitive skin
Why some products sting even when they “test fine”
Stinging without a rash is sensory irritation, not allergy. How the lactic acid sting test works, which ingredients tend to sting, why a damaged barrier makes it worse, and what to do.
Hypoallergenic & sensitive skin
Irritation or allergy? Two very different skin reactions
Irritation can happen to anyone and depends on dose; allergy needs a sensitized immune system and shows up 24 to 72 hours later. How to tell them apart, and what to do.
Hypoallergenic & sensitive skin
Rosacea or sensitive skin? How to tell them apart
Both can sting, burn and turn red. How flushing, lasting redness, bumps and eye symptoms point to rosacea, why it needs a diagnosis, and a gentle routine that suits both.
Hypoallergenic & sensitive skin
Do you have sensitive skin? What dermatologists mean by it
Sensitive skin is a pattern of stinging, burning, tightness and redness, not a diagnosis. How common it is, the usual triggers, and which conditions can hide behind it.
Hypoallergenic & sensitive skin
Cocamidopropyl betaine: the “gentle” cleanser that sometimes isn’t
Cocamidopropyl betaine is a mild, coconut-derived foaming agent in shampoos and washes. Why it was named Allergen of the Year, why impurities are often the real culprit, and what to do.
Hypoallergenic & sensitive skin
“Clinically proven hypoallergenic”: the testing behind the words
Learn what a human repeat insult patch test involves, what a pass really means, what it can’t show, and how it compares with the plain word “hypoallergenic” on a label.
Hypoallergenic & sensitive skin
Methylisothiazolinone: the preservative behind an allergy epidemic
How a little-known preservative caused a wave of skin allergies in the 2010s, what Canada and Europe did about it, where it still turns up, and how to spot it and its cousins on labels.
Hypoallergenic & sensitive skin
Nickel allergy: the most common skin allergy, and where it hides
Nickel is the top cause of allergic skin rashes. Where it hides (earrings, belts, phones), why piercing matters, what nickel-free labels miss, and whether diet plays a role.
Hypoallergenic & sensitive skin
What “hypoallergenic” really means (and doesn’t)
“Hypoallergenic” has no legal definition in Canada or the US. Learn what companies usually mean by it, why products differ, and how to read the word sensibly.