Hair loss is a phenomenon of losing hair. Normal shedding hair is the hair in the catagen and new entrants with a dynamic equilibrium. It can keep a normal number of hairs. It is called as the normal physiological alopecia. Pathological alopecia means the abnormal or excessive hair loss in many reasons.

Main situations for loss hair are the greasy hair which lacks of luster. Some hairs are yellow or pale gray and the main features of the offer of freedom of consciousness and even zero in front of the head, forehead, above, on the other hand, male pattern baldness, though those for thin women, hair, hair loss, but it completely hair and sideburns, the hair on top of low or thin hair on top to yellow, soft and moves to the end for cosmetic raw material suppliers.

The western medicine is commonly used technology for hair transplantation for the treatment of hair loss, using a combination of two drugs: finasteride (oral) (actual) Minoxidil and Seoul. Prevention of hair follicles, hair follicles, the level of testosterone to 5α-dihydrotestosterone reductase finasteride drug after oral administration with low testosterone levels in serum and scalp dihydrotestosterone 60-70%, reducing most of the small, back in the field of hair loss, Hair loss in patients with male hormones. 1 mg, Ⅱ 5α-reductase enzymes, hair follicles in alopecia areata, men with hair loss are two types of transformations as a result of testosterone dihydro-testosterone, testosterone, orally, by use of hydrogen. So what is the real culprit of the legacy of Seborrheic alopecia 5α-reductase type Ⅱ is 5a-reductase is suffering from a congenital lack of male hair loss.

Finasteride drug-related adverse effects after application of hair loss in some patients with long-term safety of treatment: decreased libido, impotence and decreased ejaculate. Temporary hair loss finasteride side effects to stop from 547 patients per year, drug use and sexual function execution of 239 cases. Most of these side effects gradually missing after the above-mentioned objects, the negative a few weeks or months of treatment disappear.


Minoxidil increased hair growth in the long term extension of the miniaturization of the hair follicle. Using minoxidil has a terrible period of increasing hair growth in vitro. Follicle stimulating vascular endothelial cell growth factor, hepatocyte growth factor in the development of two factors plays an important role in the regulation of hair dermal papilla development. Minoxidil hair follicle dermal papilla and the formation of blood vessels and vascular endothelial function, cytokines and growth factors in skin cells and optic nerve, minoxidil, and therefore foster a more important role in the treatment of hair loss.

The main side effects of minoxidil are irritation, dry, scaly, itching and redness at the site. The incidence of 2% solution is about 7%. For 5% solution, the high incidence is higher that 2% solution and it is about 20%. These side reactions relate to the concentration of propylene glycol. The propylene glycol concentration of 5% minoxidil is much higher. The report shows using high concentrations of minoxidil will get allergic contact dermatitis or photo-allergic contact dermatitis. Other side effect of skin is the increasing of body hair, but there are fewer men who have the side effect. Either 5% or 2% minoxidil solution, if the daily application is about 2 times and 1mL every time, it generally leads to no cause changes in blood pressure, pulse or weight.Source: