keyword

hair dye invented

Monthly search volume and cost-per-click data for "hair dye invented" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=hair+dye+invented&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
when was hair dye invented	1,600	$0	20/20
when was hair bleach invented	1,600	$0	19/20
who invented hair coloring	320	$0	15/20
who invented hair dye	320	$0	14/20
hair dyeing history	260	$0	14/20
when did hair dye come out	140	$0	14/20
when did people start dying their hair	140	$0	14/20
when did hair dye become popular	70	$0	15/20
invention of hair dye	50	$0	15/20
first hair dye	50	$0	14/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=hair+dye+invented&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt