16 citations
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August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
16 citations
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July 1989 in “British journal of dermatology/British journal of dermatology, Supplement” Topical cyclosporin A doesn't work for alopecia totalis because it doesn't penetrate the skin well.
15 citations
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October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.
15 citations
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November 2017 in “Drug Delivery and Translational Research” Certain extracts from Curcuma aeruginosa Roxb. and germacrone can boost the skin's absorption of minoxidil, a hair growth promoter, making it more effective.
15 citations
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May 2016 in “Die Pharmazie” Nanostructured lipid carriers deliver lidocaine to the skin better than nanoethosomes.
15 citations
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June 2012 in “British Journal of Dermatology” A new mutation in the KRT86 gene causes a hair disorder with variable expression.
13 citations
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January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
12 citations
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July 2020 in “International Journal of Pharmaceutics” Iron oxide nanoparticles improve skin penetration and drug release for hair loss treatment.
11 citations
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October 2017 in “International Journal of Molecular Sciences” A new drug delivery system using oil body-bound oleosin-rhFGF-10 improves wound healing and hair growth in mice.
11 citations
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April 2011 in “Biomolecules & Therapeutics” Anionic liposome formulations of finasteride may effectively treat hair loss with fewer side effects.
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.
10 citations
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February 2022 in “Pharmaceuticals” Smaller curcumin nanocrystals penetrate skin and hair follicles better than larger ones.
10 citations
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August 2015 in “Journal of biophotonics” Hair follicles help substances penetrate the skin faster and more effectively.
10 citations
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
7 citations
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January 2020 in “Skin Pharmacology and Physiology” Standard nail varnish effectively prevents follicular penetration of certain substances.
7 citations
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May 2010 in “Drug Delivery” Retinoic acid and DMSO improve gene delivery to mouse skin for potential hair and skin disease treatment.
5 citations
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May 2020 in “Pharmaceutical Research” Heat and chemicals improve finasteride delivery to scalp and hair follicles, potentially enhancing treatment for hair loss.
5 citations
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July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
4 citations
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February 2025 in “Nutrients” Gynostemma pentaphyllum extract improves hair elasticity, density, and thickness safely.
4 citations
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August 2023 in “Journal of Cosmetic Dermatology” Gynostemma pentaphyllum extract may help grow hair and prevent graying.
3 citations
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September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
3 citations
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September 1989 in “Journal of Investigative Dermatology” Methyl caprate greatly increases drug absorption through the skin and is better than other enhancers.
2 citations
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November 2025 in “Pharmaceutics” Moderately lipophilic dyes penetrate skin deeply, while highly hydrophobic or lipophilic dyes stay on the surface.
2 citations
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May 2022 in “Journal of trace elements in medicine and biology” Sodium pentaborate pentahydrate can increase hair growth and improve hair quality at certain doses.
2 citations
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July 2018 in “Risks” Investing in a longevity megafund can help pension funds reduce longevity risk.
2 citations
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December 2015 in “DOAJ (DOAJ: Directory of Open Access Journals)” Sonophoresis reduces skin absorption of sodium fluorescein in certain liposomes.
Folate salts penetrate skin well and improve wound healing, suggesting potential for skin treatments.
1 citations
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February 2023 in “Applied sciences” The new topical growth hormone formula has high skin penetration and bioavailability.
1 citations
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December 2022 in “Pharmaceutics” Finasteride-loaded microemulsions can effectively enhance skin delivery for treating hair loss.
1 citations
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July 2022 in “International journal of trichology” Type 3 hair oil strengthens hair more than coconut oil.