Soumm Papers
Long-form research, explored in depth.
Written for curious minds who enjoy understanding the “why” behind the ritual. Text only, at length, with the limits of the evidence stated plainly.
Soumm Papers
15 min read
Botanical Ingredients in Hair Care: An Evidence Review
An evidence-informed review of botanical hair-care ingredients, including rosemary, pumpkin seed oil and saw palmetto, examining efficacy, safety, formulation and research gaps.
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Soumm Papers
12 min read
The Role of Scalp Massage in Everyday Hair Care
Can scalp massage support hair wellness? Explore the science behind scalp massage, hair thickness, circulation, relaxation and what current evidence does—and does not—show.
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Soumm Papers
16 min read
Building Sustainable Hair Care Rituals
Learn how habit formation, consistency and simple rituals can make a hair care routine easier to maintain—without unnecessary complexity or exaggerated promises.
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