Hi, I'm Mads.
Skincare expert and founder of Danish Skin Care.
I'm Mads Timmermann, Danish skincare specialist. This is where I publish the evidence-led writing I wish existed when I started out. Ingredients, conditions, and routines, explained without the marketing.

Danish Skin Care
Mads Timmermann
- 400,000+Email subscribers
- 100,000+Customers worldwide
- 4,200+Positive reviews
- 80+Countries shipped to
Skin conditions
Start with the condition
that brought you here.
Honest, expert-reviewed guidance for the most-searched concerns. Causes, triggers, what to do, what to avoid.
Find out what's really in your products.
Search the INCI ingredients database for evidence-led verdicts on every molecule in your routine. Spot the irritants, the actives that earn their place, and the marketing-only filler.
From the blog
Latest writing.
Honest commentary on what works, what doesn't, and what to ignore.
- Guide

Can jewelry cause a rash? Nickel allergy and other causes
An itchy patch beneath a ring, earring or necklace can come from metal allergy or trapped soap and moisture. Learn the clues, what testing can tell you and when a piercing needs urgent care.
Written by Mads Timmermann
· 6 min read
- Guide

Can gel nails cause a rash on your face?
Gel nail products can cause contact allergy on the eyelids or face, even when your fingers look fine. Learn what the evidence shows, what to pause and why medical patch testing matters.
Written by Mads Timmermann
· 6 min read
- Guide

Can a humidifier help dry skin?
A humidifier may help when your room is dry, but more humidity is not always better. Understand the evidence, what to measure, how to clean the device and why moisturizer still matters.
Written by Mads Timmermann
· 5 min read




