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Hair Regrowth

Hair regrowth refers to the rate of which hair grows, and may also refer to attenuating or reversing forms of alopecia (hair loss). These supplements can be both ingested or applied topically to the scalp.

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Hair Regrowth.

Full details on all Hair Regrowth supplements are available to Examine members.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b Notable Very High See all 8 studies
Topical application of Minoxidil (oral administration as well, but that is associated with more side-effects) appears to be highly effective in increasing the rate of hair regrowth and can reverse hair loss associated with non-androgenic hair loss (bald patch, rather than a receding hair line which is related to androgens)
grade-c Minor - See study
One study noted that 100mg of mixed tocopherol was able to promote hair growth in persons with alopecia (androgen dependence not specified) relative to placebo.
grade-d Minor - See study
May induce hair growth when topically applied

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