There is no consensus regarding the details of the evolution of male pattern hair loss. Most theories regard it as resulting from sexual selection. A number of other primate species also experience hair loss following puberty, and some primate species clearly use an enlarged forehead, created both anatomically and through strategies such as frontal hair loss, to convey increased status and maturity.
The assertion that MPB is intended to convey a social message is supported by the fact that the distribution of androgen receptors in the scalp differs between men and women, and older women or women Hair loss treatment with high androgen levels often exhibit diffuse thinning of hair as opposed to male pattern baldness.
baldness evolved in males through sexual selection as an enhanced signal of aging and social maturity, whereby aggression and risk-taking decrease and nurturing behaviours increase.(1) This may have conveyed a male with enhanced social status but reduced physical threat, hair loss treatment which could enhance ability to secure reproductive partners and raise offspring to adulthood.
Males and females viewed 6 male models with different levels of facial hair (beard and moustache or clean) and cranial hair ( full head of hair, receding and bald). Participants rated each combination on 32 adjectives related to social perceptions. hair loss treatmetn and regrowth Males with facial hair and those with bald or receding hair were rated as being older than those who were clean-shaven or had a full head of hair. Beards and a full head of hair were seen as being more aggressive and less socially mature, and baldness was associated with more social maturity.