April 2024 in “Dermatologic surgery” Microneedling at a depth of 0.5 mm is the most effective single treatment for hair loss among the tested depths.
2 citations
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March 2024 in “Pharmaceutics” The placebo microneedle stamp didn't penetrate skin and caused less pain, but blinding was only effective for those with low skin sensitivity.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
January 2022 in “Surgical and Cosmetic Dermatology” Microneedling showed slight improvement in hair loss but no major changes in hair follicles or scalp condition.
January 2010 in “USFEU Scientific Library (Ural State Forest Engineering University)” Grooved microneedles made from hyaluronic acid can deliver drugs into the skin with 98% accuracy.
June 2026 in “ACS Applied Nano Materials” New microneedles may improve vitiligo treatment.
49 citations
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
30 citations
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November 2024 in “ACS Materials Au” Microneedles are promising for disease monitoring and drug delivery due to their minimal invasiveness and versatility.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Potential compounds may inhibit hair loss by targeting a non-androgen pathway.
The new microneedle system safely delivers finasteride through the skin to treat hair loss.
21 citations
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September 2024 in “Cureus” Microneedling is an effective and safe method for improving skin conditions like acne scars and wrinkles.
3 citations
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October 2019 in “Pharmaceutics” New technique implants pigment in scalp with less pain and damage.
38 citations
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July 2021 in “ACS Nano” Microneedles help treat hair loss by improving hair surroundings and promoting growth.
23 citations
,
October 2012 in “ChemistryOpen” Probe detects finasteride with high selectivity and low detection limit.
7 citations
,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
21 citations
,
September 2008 in “Magnetic Resonance Imaging” MRI can effectively image skin structures noninvasively.
264 citations
,
January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
32 citations
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February 2019 in “eLife” BMP signaling is essential for the development of touch domes.
January 2025 in “Journal of Pharmaceutical Research Science & Technology” Dissolving microneedles offer efficient, minimally invasive drug delivery through the skin.
Hair follicles can effectively absorb nano-sized particles, making them potential targets for localized drug delivery.
10 citations
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September 2022 in “Journal of Composites Science” Cricket nanochitin is denser and stronger than crab nanochitin.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
January 2007 in “Chinese Journal of Pharmaceuticals” The study successfully identified the structure of finasteride.
2 citations
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May 2023 in “Experimental dermatology” New imaging techniques can assess and track changes in mouse acne without harm, aiding treatment choices.
March 2024 in “Bioimpacts” 400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
13 citations
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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
8 citations
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May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.