keyword

why sulphate free shampoo

Monthly search volume and cost-per-click data for "why sulphate free shampoo" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=why+sulphate+free+shampoo&country=us" +--------------+------------------+ | volume | 210 | | cpc | $0.06 | | competition | 0.27 | | country | US | | updated | 2026-05-22 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
what is sulfate free shampoo	1,000	$0.51	18/20
what is sulfate-free shampoo	480	$0.47	18/20
benefits of sulfate-free shampoo	260	$0.13	16/20
sulfate free shampoo benefits	260	$0.13	13/20
sulfate-free shampoo benefits	260	$0.13	13/20
sulphate free shampoo benefits	260	$0.13	13/20
sulphate free shampoo why	210	$0.17	16/20
why are sulfate free shampoos better	90	$0.05	14/20
why sulfate free shampoo is better	90	$0	14/20
what is sulfate-free shampoo good for	40	$0.34	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=why+sulphate+free+shampoo&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