A German study, known as the ‘Priorin Study’, shows that a specific combination of the amino acid L-Cysteine, Millet (Sorghum) Seed Extract, and Pantothenic Acid (Vitamin B5) can reverse hair loss.

Although light, diffuse hair loss affects both genders, women, in particular, find it extremely bothersome. The first signs of hair loss can appear as early as age 20. However, women above the age of 50 are the most affected.

But fighting hair loss effectively does not necessarily mean having to resort to hormonal treatments. German researchers have discovered that taking a complex of L-Cysteine, Millet Seed Extract, and Pantothenic Acid can bring hair growth back to within normal rates 1.

The research is also known as the ‘Priorin Study‘. Since the study, new alternatives have become available that contain the same active ingredients, but are meaningfully enhanced, as well as significantly more affordable.

Evidence of the research

In the study, women suffering from diffuse hair loss were treated either with a complex of L-Cysteine, Pantothenic Acid, and Millet Seed Extract, or received a sugar pill (placebo). The first results could be detected with the help of a microscope after just four weeks. Hair growth of study participants in both groups was compared after three months.

The group of women who received the combination supplement evidenced a return to normal rates of hair growth. The control group that received the placebo did not show similar results.

Dermatologists who conducted the study concluded the following: “Women who treated their hair loss with Priorin, as opposed to the placebo preparation, reported a significant increase in the number of individual strands of hair that evidenced growth after only three months.”

Common cause of hair loss: poor diet

One of the most significant causes of diffuse hair loss is a deficiency in vitamins or trace elements. The culprit is the high content of sugar and white flour in today’s diet. These ’empty carbohydrates’ are often hidden in processed foods: the meal is filling and provides energy, but is sorely lacking in important vitamins and trace elements.

A study examining the eating habits of 20,000 people, representative for the entire population, discovered the following: the vast majority of people evidence a deficiency in several vitamins and trace elements 2. Industrialized countries show the greatest deficiencies in:

  • Vitamin D (approx. 80% – 90% of the population, depending on age)
  • Folic Acid (approx. 80% of the population, all age groups, men and women)
  • Vitamin E (approx. 50%, all age groups, men and women)
  • Vitamin C (approx. 30% of the population, all age groups, men and women)
  • Iron (approx. 75% of all women, particularly between the ages of 15 and 50)

Research conducted throughout the world repeatedly shows that a deficiency in iron, zinc, or Vitamin E can lead to diffuse hair loss. Not enough biotin can also result in hair loss.


  1. Gehring W, Gloor M. Using phototrichogram analysis to evaluate preparations for hair growth stimulation in the example of a combination of sorghum extract, L-Cysteine, and calcium pantothenate. Magazine for Skin Diseases. 2000. 75(7/8):419-423
  2. German National Consumption Study 2008
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