Biotin is the well-known "hair vitamin," but current medical findings show that a single vitamin is not enough. For healthy, strong hair growth, the complex interaction of all B vitamins is crucial. Learn why the entire B vitamin complex – especially B12 and folic acid – is so important in combating hair loss.

Silicon is an essential trace element that plays a key role in hair structure. Learn how orthosilicic acid promotes collagen synthesis, stabilizes keratin structure, and which clinical studies demonstrate a 13 percent increase in hair thickness.

Magnesium is an essential mineral that plays a key role in healthy hair growth. Learn how a magnesium deficiency leads to hair loss, how scalp calcification affects blood circulation, and which magnesium-rich foods and KÖ-HAIR products can help support your hair growth from the inside and outside.

Research into the causes of hair loss is continuously making progress. While genetic and hormonal...

Healthy, strong hair begins far beneath the surface – deep within the layers of the scalp. While ...

A hair transplant is a significant step toward renewed confidence and full hair. While the surgeo...

Learn which nutrients your hair roots really need and how you can prevent hair loss through the right nutrition.