20 citations
,
August 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
8 citations
,
October 2022 in “International Journal of Legal Medicine”
1 citations
,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
October 2025 in “Clinical Cosmetic and Investigational Dermatology” SP treatment improves hair health and moisture retention better than water treatment.