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keyword

what is sulfate free shampoo

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

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+sulfate+free+shampoo&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0.51 | | competition | 0.98 | | country | US | | updated | 2026-05-22 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
sulfate free 1,000 $0.81 15/20
what is a sulphate free shampoo 1,000 $0.55 14/20
what is sulfate in shampoo 1,000 $0.19 13/20
what is sulfate-free shampoo 480 $0.47 20/20
why sulphate free shampoo 210 $0.06 14/20
define sulfate free shampoo 140 $0.01 14/20
sulfate-free shampoo meaning 140 $5.41 13/20
what does sulfate free shampoo mean 140 $0.08 13/20
what is sulfate-free 110 $0.01 13/20
what's sulfate free shampoo 40 $0.74 15/20

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=what+is+sulfate+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