
What specific genes influence hair growth length?
Hair length is predominantly influenced by the FGF5 gene and the duration of the hair follicle's anagen growth phase.

Can understanding hair’s genetic background alter personal care practices?
Understanding hair's genetic background refines care practices by aligning product choices and routines with individual biological predispositions.

How do genetics shape hair curl?
Hair curl is primarily shaped by the inherited elliptical or S-shape of hair follicles and the asymmetrical distribution of keratin proteins within the hair shaft.