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Pattern hair loss (also known as androgenetic alopecia (AGA) [1]) is a hair loss condition that primarily affects the top and front of the scalp. [2] [3] In male-pattern hair loss (MPHL), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown and vertex of the scalp, or a combination of both.
One method of hiding hair loss is the comb over, which involves restyling the remaining hair to cover the balding area. It is usually a temporary solution, useful only while the area of hair loss is small. As the hair loss increases, a comb over becomes less effective. Another method is to wear a hat or a hairpiece such as a wig or toupee. The ...
Cowlick vs. Balding: Key Differences. A cowlick differs from a bald spot in a couple key ways.. First, a cowlick is a natural, normal feature of your scalp that occurs as a result of your genes.
Androgenetic alopecia, or male pattern baldness, is a common form of hair loss that can occur in your 20s, 30s, 40s or later in your life Over time, this hair loss may cause your frontal hairline ...
There are a number of conditions that may cause non scarring hair loss and the first step is to determine the pattern: focal or diffuse. [3] The next step is to identify if the hair loss is scarring or non scarring. A history and physical examination is necessary as this will provide clues to the ultimate diagnosis. It is essential to ask about ...
There are several causes of hair loss in men under 25 (including teens). Potential causes of hair loss for the 20-and-under set include: Male androgenetic alopecia (male pattern baldness) Alopecia ...
Dutasteride is also used in the treatment of male pattern hair loss and appears to have better effectiveness than finasteride for the condition. [27] [28] [29] While used off-label for male pattern hair loss in most of the world, dutasteride is specifically approved for this indication in South Korea and Japan. [30] [31]
An example of epistasis is the interaction between hair colour and baldness. A gene for total baldness would be epistatic to one for blond hair or red hair. The hair-colour genes are hypostatic to the baldness gene. The baldness phenotype supersedes genes for hair colour, and so the effects are non-additive.