EELHOE COSMETICS

DIY Scalp A/B Trial Guide: Set Up, Photograph & Analyze At‑Home Tests of Peptide Serums, Prebiotic Scalp Treatments & Devices for Real Hair Density Gains

Introduction — why this guide matters (2025 update) If you've tried one serum after another and a handful of devices without clear results, a rigorous at-home A/B (split) trial can cut through nois...

Scalp Performance Dashboard: Run Simple At-Home N-of-1 Trials to Find the Best Peptide Serum, Prebiotic Treatment or Device for Denser Hair

Introduction: Take the guesswork out of hair care with an N-of-1 approach If you've ever felt lost in the sea of hair-growth serums, scalp treatments and devices, you're not alone. The market is no...