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The emergence of a visible mustache in males during puberty, driven by testosterone and influenced by genetics and hormones.
is a multi-year biological process usually described by five (sexual maturity ratings) that track genital and pubic hair development from prepubertal through adult maturity . It is initiated by from t...
A visible usually appears in the later phases of male puberty — commonly as dark, pigmented hairs at the corners of the upper lip once -driven maturation is underway — with population averages putting...