Guide
Knowledge and answers about hair loss and healthy hair.
Latest articles

Hair Loss in Women: Recognizing and Treating the Causes.
Hereditary hair loss is also common in women and usually shows as diffuse thinning at the part. Many forms can be treated well with medical support. Which causes are behind it and what helps, you can read here.
Dr. Christian Drerup
Weight-loss injections and hair loss: why the hair falls out and what helps.
If you suddenly lose more hair while losing weight with semaglutide or tirzepatide, the cause is almost never direct damage from the drug, but the rapid weight loss itself. This telogen effluvium usually sets in with a delay of two to three months and resolves on its own.
Jonas Keller
The Norwood scale explained: all stages of hereditary hair loss
The Norwood scale sorts male hereditary hair loss into one of twelve described patterns, from a full hairline to a narrow ring of hair at the back of the head. This lets doctors and those affected describe the same finding in the same way. Here is how to place your stage roughly.
Lena Vogt
Hair loss from stress: why it happens and usually goes away again.
After intense stress, an infection or childbirth, more hair often suddenly falls out diffusely, usually only weeks after the trigger. This form is called telogen effluvium and usually resolves on its own. Here you can read how to recognise it and when a check-up makes sense.
Jonas Keller
The Ludwig scale explained: the grades of hereditary hair loss in women
The Ludwig scale sorts hereditary hair loss in women into three degrees of severity. Unlike in men, the front hairline usually stays intact; the hair thins along the part and on the crown. Here is how to place yourself roughly.
Lena Vogt
Vitamins and nutrients for hair loss: what actually helps.
Iron, vitamin D, zinc or biotin can only slow hair loss if you actually have a deficiency. Hair vitamins taken on a hunch usually do nothing and can even be harmful. Here you can read why abnormal blood values belong in the hands of a doctor rather than guesswork.
Jonas Keller
Minoxidil and pets: why the hair treatment is life-threatening for cats
For cats, just a few drops of minoxidil or one or two licks can be life-threatening. Here's how animals come into contact with it, what the warning signs are, and how to safely prevent it.
Lena Vogt
The psychological effects of hair loss: what helps emotionally.
Hair loss can affect self-esteem, mood, and social confidence, and many women experience the strain as especially significant. That is understandable and not vanity. Read here how to cope well with it and when professional help makes sense.
Jonas Keller