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biotin hair growth serum
Skip itSoft demand (-15.6% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Great$18.97avg listing price — sweet spot $15–$100
Price range
Great$7.48–$47.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Brand share
Bad91%top-5 brand share — brand-locked demand
Market size
Bad$78K$78K/yr · 62K searches
Review moat
Bad15,433.79avg incumbent reviews — the moat a new listing must climb
Growth
Bad-15.6%90-day search growth — must beat 0% to launch