27 citations
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July 2001 in “Journal of Pharmaceutical and Biomedical Analysis” Finasteride remains stable for two years with proper storage.
7 citations
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September 2024 in “Scientific Reports” This study suggests that sebum samples can be effectively stored and transported with less stringent requirements than liquid samples, making them suitable for remote or at-home collection before clinical analysis.
5 citations
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June 2024 in “Regenerative Therapy” This study found that freezing PRP at -80 °C for up to a year maintains most growth factor levels, with EGF and IGF even higher than in fresh samples.
1 citations
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December 2015 in “Jurnal Online Universitas Gadjah Mada (Universitas Gadjah Mada)” This study found that a lotion containing 1% xanthan gum had the best physical stability for candlenut extract hair-restoring lotion, with no significant change in flavonoid content after storage.
February 2024 in “Trends in Sciences” This study examined the stability of two 5α-reductase inhibitors in Tectona grandis extracts, finding that they are more stable in acidic environments and degrade rapidly under heat and light unless protected, suggesting the need for careful storage when developing anti-hair loss medications.