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Caffeine against hair loss: activates the hair follicle

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Caffeine against hair loss: activates the hair follicle

Caffeine, a common component in many hair products, appears to play a significant role in preventing hair loss, supported by several scientific studies. A particular study investigated plant extracts, exploiting their antioxidant, vasodilatory and stimulating properties in the hair growth phase, confirming caffeine as one of the most effective active agents.

Properties of caffeine in promoting hair growth

Caffeine, often obtained through upcycling – using waste from the food industry – demonstrates significant trichological benefits. Its presence in supplements, shampoos and serums has been associated with several properties.

Caffeine stimulates the hair growth cycle, accelerating its lengthening speed and activating the hair follicle. This compound promotes the proliferation of keratinocytes and prolongs the Anagen phase, in which the follicle is actively engaged in growth. This is especially relevant, as hair loss is often attributable to Telogen Effluvium, a phase in which hair breaks away from the root to make room for new ones.

How much caffeine is recommended to combat hair loss?

Caffeine can be introduced into the body through diet, drinks or supplements, playing a beneficial role from the inside out. However, it is essential not to overdo it, as caffeine is a psychoactive substance. 1,3,7-trimethylxanthine, known as caffeine or theine (essentially the same substance chemically), is present in plants such as coffee, cocoa, tea, cola and guarana.

Taking more than 400 mg per day, equivalent to about five cups of coffee, can cause side effects such as nervousness, insomnia and, in some cases, addiction. Therefore, it is advisable to moderate caffeine consumption to obtain the desired benefits without running into any problems.

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In conclusion, caffeine presents itself as a promising ally in the fight against hair loss. However, balance in its intake is essential to avoid unwanted health effects. We recommend that you consult a professional before introducing significant amounts of caffeine into your daily routine.

Caffeine stimulates the blood microcirculation: the study

Caffeine is known to stimulate blood microcirculation. Its action on the scalp improves the local blood supply and with it the arrival of oxygen and micronutrients to the hair follicles.

Research. Some studies, such as that of the scientist Dr. Tobias Fischer, have shown how caffeine is able to accelerate the hair growth cycle. In fact, the study published in the British Journal of Dermatology demonstrates the influence of caffeine on the growth of human hair follicles in subjects of both sexes at different levels (molecular, cellular and organ). A team of researchers applied small concentrations of caffeine to cultured follicles, previously extracted from the scalps of men and women suffering from androgenetic alopecia.

Results. Research has shown that caffeine leads to significant stimulation of hair follicle growth in vitro. Caffeine improved hair shaft elongation, keratinocyte proliferation, and prolonged the time the follicle remains in the growth (anagen) phase.

T.W. Fischer E. Herczeg‐Lisztes W. Funk D. Zillikens T. Bíró R. Paus “Differential effects of caffeine on hair shaft elongation, matrix and outer root sheath keratinocyte proliferation, and transforming growth factor‐β2/insulin‐like growth factor‐1‐mediated regulation of the hair cycle in male and female human hair follicles in vitro.” British Journal of Dermatology 171.5 (2014): 1031-1043.

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