Cross-section graphic of damaged hair follicles and shafts indicating hair breakage or unhealthy growth due to stress
Keywords
hair,
follicle,
skin,
anatomy,
diagram,
science,
medicals,
biology,
education,
dermatology,
structure,
layer,
growth,
health,
body,
human,
damage,
breakage,
unhealthy,
stress,
problem,
scalp,
treatment,
vector,
graphic,
mobile phone,
issue,
study,
learning,
brittle