Contact Dermatitis From Skincare: Irritation or Allergy?
2 August 2026 10 min read 744 views 0
Skincare reactions are either direct irritation or true allergy, and telling them apart determines what to change.
Key takeaways
- Irritant contact dermatitis is direct chemical damage that can happen to anyone with enough exposure.
- Allergic contact dermatitis is a true immune reaction requiring prior sensitisation, appearing a day or two after contact.
- Fragrance and preservatives are the top skincare allergens, while acids and retinoids are common irritants.
- Simplifying your routine and, if needed, dermatologist patch testing are the reliable ways to identify a trigger.
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