seodata.dev

keyword

best shampoo for straight hair sulfate free

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

$ curl "https://app.seodata.dev/v1/keyword?q=best+shampoo+for+straight+hair+sulfate+free&country=us" +--------------+------------------+ | volume | 20 | | cpc | $4.38 | | 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 10/20
best sulfate free shampoo for thick hair 30 $4 12/20
sulfate free salon shampoo brands 30 $0 11/20
what's the best sulfate free shampoo 30 $2.53 11/20
best shampoo for straight hair sulfate-free 20 $4.38 20/20
best sulfate free 20 $0 12/20
non drugstore shampoo 20 $0 12/20
what is the best shampoo without sulfate 20 $2.69 12/20
best smelling sulfate free shampoo and conditioner 20 $0 11/20
what shampoos do not contain sulfates 20 $3.1 11/20

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=best+shampoo+for+straight+hair+sulfate+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