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SEQUENTIAL

Advanced Testing for Personal Care

health AI / medtech / digital health / clinical research
StageSeries A
Founded2019
Employees12
LocationNew York City, NY
Business modelB2B

About

Sequential advances personal care and health research by studying the real-world impact of products through human clinical testing, biomarker discovery, and next-generation formulations across skin, scalp, oral, and vaginal care. Our end-to-end, in-house platform, from study design and participant recruitment (tailored to any required criteria) to laboratory analysis and data interpretation, turns complex biological data into clear, actionable insights. By combining microbial and molecular analyses, we enable the development of credible, effective, and trustworthy products and claims. With a database of over 50,000 samples, 4,000+ ingredients, and 10,000+ participants worldwide, Sequential leverages years of scientific expertise to set the standard for data-driven innovation and product validation in the personal care and pharmaceutical industries.

Product

Value proposition
End-to-end clinical research platform for skin, scalp, intimate & oral products, delivering human clinical testing, biomarker discovery, and next-generation formulations powered by a multi-omics platform to translate microbial/molecular data into actionable outcomes for product Credibility, efficacy, and consumer trust.
Target customers
cosmetics brands, dermocosmetics, dermatology-focused product developers

Founders

  • Dr. Oliver Worsley — Co-founder and CEO
  • Dr. Albert Dashi — Co-founder and CSO
  • Petronille Houdart

Key features

End-to-end in-house clinical research solutionHuman clinical testingBiomarker discoveryNext-generation formulationsMulti-omics platform for integrated data analysisRecruitment and study design to data interpretation

Technologies

multi-omics platformbiomarker discoverymicrobiome sequencingdata interpretation tools

Notable customers

Curive Healthcare (example testimonial)

Partnerships

Cro Partnerships

Traction metrics

100+ studies conducted50,000+ participants recruited4,000+ studies completed10,000+ data analyses or samples processed

News

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Profile updated Jul 29, 2026. Sources: sequential.bio

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