182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
138 citations
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November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.
58 citations
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March 1985 in “Journal of The American Academy of Dermatology” The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.
49 citations
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January 1998 in “International Journal of Molecular Medicine” Lipid peroxides can cause early hair loss by damaging hair follicles.
36 citations
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February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
16 citations
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September 2016 in “Experimental Dermatology” Two-photon microscopy effectively tracks live stem cell activity in mouse skin with minimal harm and clear images.
15 citations
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July 1991 in “International Journal of Dermatology” Laser Doppler velocimetry is a valuable noninvasive tool for skin blood flow research in dermatology.
11 citations
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January 2006 in “International Journal of Cosmetic Science” Some oils can penetrate hair and reduce the stickiness between fibers, but mineral oil cannot.
7 citations
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May 2018 in “Curēus” Bimatoprost 0.03% solution effectively promotes eyebrow growth.
January 2026 in “Journal of Ayurveda and Integrated Medical Sciences” Pippalyadi Agad may help counteract harmful effects of toxic cosmetics.