Hair is definitely 'biotic' because it is produced by 'life', even though it is not 'alive'.
Abiotic
Hair is biotic factor because even though it may seem dead it is still a living factor on your body.
abiotic
biotic
biotic
abiotic
biotic
biotic
biotic = living abiotic = non-living
they're abiotic
A Biotic Factor is a living thing and an Abiotic Factor is a non-living thing.
Snails are living and are considered to be biotic.