Interest in hair thinning and loss prevention using natural products or their extracts has increased. Princeton Consumer Research describes a study to review efficacy and safety of a hair serum that was shown to be effective, safe, well-tolerated by study participants with hair thinning.
Hair thinning and hair loss (alopecia) is a prevalent concern, affecting both sexes, the world over. Although non-life-threatening, alopecia affects aesthetics, social activities, self-esteem and the quality of life.1-3 Alopecia is considered a common symptom of several pathologies, involving inflammation, thyroid dysfunction or infection.4
Hair loss, is caused by an imbalance of the hair growth cycle resulting from various factors, including ageing, metabolism, genetics, stress, nutritional, medical and environmental.5 These factors lead to a reduced number of growing (anagen) hairs combined with an increased number of degenerating (telogen) hairs.
Hair follows a repeated growth cycle with three phases: anagen lasting three to five years, catagen lasting about three weeks, and telogen lasting about four months, followed by shedding of hair.6
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