seodata.dev

keyword

what is the worst ingredient in shampoo

Monthly search volume and cost-per-click data for "what is the worst ingredient in shampoo" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+the+worst+ingredient+in+shampoo&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
what shampoos should i avoid 30 $1.29 15/20
hair shampoo ingredients to avoid 20 $1.38 14/20
harmful shampoo 20 $0 14/20
what chemicals should not be in shampoo 20 $0.24 14/20
which shampoos to avoid 20 $0 14/20
worst chemicals in shampoo 20 $0 14/20
damaging ingredients in shampoo 10 $0.59 16/20
ingredients shampoo should not have 10 $0 16/20
what the bad stuff in shampoo 10 $0 16/20
toxic shampoo ingredients list 10 $0 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+the+worst+ingredient+in+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