keyword

best sulfate free blue shampoo

Monthly search volume and cost-per-click data for "best sulfate free blue shampoo" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+sulfate+free+blue+shampoo&country=us" +--------------+------------------+ | volume | 30 | | cpc | $3.73 | | competition | 1 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
best sulfate-free blue shampoo	30	$2.11	20/20
best blue conditioner for brunettes	30	$2.11	13/20
best blue shampoo for brunettes reviews	30	$0	13/20
best shampoo for brassy hair brunette	30	$1.44	12/20
best blue shampoo for curly hair	20	$5	14/20
best no orange shampoo	20	$0	13/20
best orange shampoo	20	$0	13/20
best anti brass shampoo for brunettes	20	$4.4	12/20
what is the best blue shampoo for brunettes	20	$1.16	12/20
which blue shampoo is best	10	$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://api.seodata.dev/v1/keyword?q=best+sulfate+free+blue+shampoo&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt