seodata.dev

keyword

which brands of shampoo are sulphate free

Monthly search volume and cost-per-click data for "which brands of shampoo are sulphate free" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=which+brands+of+shampoo+are+sulphate+free&country=us" +--------------+------------------+ | volume | 10 | | cpc | $1.88 | | competition | 1 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
shampoos with no sulphates 90 $4.1 12/20
sulfate free salon shampoo brands 30 $0 12/20
best sulfate free smoothing shampoo 20 $8.04 13/20
what is the best shampoo without sulfate 20 $2.69 13/20
best phosphate free shampoo 20 $2.31 12/20
non drugstore shampoo 20 $0 12/20
sulfate free repair shampoo 20 $0 12/20
what is the best paraben and sulfate free shampoo 20 $4 12/20
sulfate free brands 10 $1.98 14/20
which is the best sulphate and paraben free shampoo 10 $0 13/20

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=which+brands+of+shampoo+are+sulphate+free&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