Saw palmetto can mildly to moderately prevent hair loss by blocking DHT, but it is not effective in stimulating new hair growth. It is often used in conjunction with other hair-boosting products or supplements. Scientific evidence is limited, but anecdotal evidence suggests that it can increase hair growth after three months of use. Saw palmetto is ingested and not applied directly to the scalp, with a standard daily amount of 320mg of extract or 160mg of powder. It was traditionally used for prostate problems and can also treat bronchitis, migraines, and impaired sexual desire.
Using saw palmetto for hair growth can be mildly to moderately effective, but the herb is generally not very effective when used alone. Although saw palmetto is widely used as an alternative natural treatment to prevent hair loss, it is not generally praised for stimulating hair follicles or spawning new growth. Many people who have used saw palmetto for hair regrowth report that hair loss dissipates after four to eight weeks of using the herb, but new hair does not appear as a result. However, moderate hair growth has been possible for people using saw palmetto for hair regrowth in conjunction with other hair-boosting products or supplements.
Few scientific studies have confirmed that saw palmetto results in an extended or renewed growth cycle for hair. Research, however, supports theories that saw palmetto can block and delay baldness. Most of the evidence in support of saw palmetto for hair regrowth is anecdotal and from laymen experimenting with alternative treatments for alopecia and other forms of baldness or hair loss. These users claim to see a definite increase in the rate of hair growth, usually after three months of use.
The reason that saw palmetto has been shown to be effective in preventing or delaying baldness is because the herb can successfully thwart the effects of the hormone dihydrotestosterone (DHT), which is responsible for male pattern alopecia. DHT is an androgen that reduces the size of hair follicles, stifling new hair growth and causing it to fall out. This condition generally affects men aged 30 and over; Women with high testosterone levels due to menopause or hormonal abnormalities may also be affected. Studies have shown that daily use of saw palmetto can reduce the amount of DHT that is produced and absorbed by the follicles in the scalp.
Usually ingested, saw palmetto is not applied directly to the scalp for hair benefits. The standard daily amount of effectiveness in stopping DHT-linked hair loss is 320mg of the extract or 160mg of saw palmetto powder. Those who use the crushed or dried fruit of the plant generally take an eighth teaspoon (about 0.61 ml) daily. Men who testify that their hair has grown with the use of saw palmetto for regrowth have used it daily, with approximately 100mg of beta-sitosterol. This combination, according to at least one study, can increase hair growth by up to 60 percent.
High in beta-carotene, saw palmetto comes from the fruit of the saw palmetto shrub. Ancient peoples for centuries used the fruit of this plant for prostate problems before appropriating it for hair care. Other problems that can be treated with saw palmetto include bronchitis, migraines, and impaired sexual desire.
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