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keratin supplements
Skip itSoft demand (-12.6% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great$21.98avg listing price — sweet spot $15–$100
Price range
Great$9.07–$84.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Conversion
Good5.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Bad$100K$100K/yr · 83K searches
Review moat
Bad4,647.41avg incumbent reviews — the moat a new listing must climb
Growth
Bad-12.6%90-day search growth — must beat 0% to launch
Signals Low Review Barrier