October 2025 in “Clinical Cosmetic and Investigational Dermatology” SP treatment improves hair health and moisture retention better than water treatment.
July 2024 in “Journal of Controlled Release” Nanostructured lipid carriers effectively deliver tofacitinib to hair follicles, reversing hair loss in alopecia areata.
182 citations
,
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.
18 citations
,
October 2005 in “International Journal of Pharmaceutics” Adding a small amount of TPGS to minoxidil can help hair growth, but too much TPGS reduces this effect and increases minoxidil in the blood.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
14 citations
,
April 2019 in “Saudi pharmaceutical journal” Microparticles help caffeic acid stay longer in hair follicles for better treatment of folliculitis.
Hair hormone levels can indicate stress after a medically indicated abortion.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
Human hair can effectively absorb arsenic from water.
50 citations
,
August 1972 in “Archives of Environmental Health An International Journal” Cadmium sticks to hair differently for each person, and strong acid can mostly remove it.
41 citations
,
May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
59 citations
,
October 2012 in “Pharmaceutical Research” Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.
January 2005 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” 0.5% TPGS boosts hair growth with minoxidil, but 2% TPGS increases minoxidil absorption.
January 2026 in “SSRN Electronic Journal” 19 citations
,
March 1998 in “Microchimica Acta” 7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
94 citations
,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
44 citations
,
November 2012 in “International journal of nanomedicine” A new method improves silicone oil coating on hair, enhancing moisture and lubrication.
19 citations
,
January 2008 in “Journal of Pharmacy and Pharmacology” Porcine hair follicles can effectively model human hair follicles for drug absorption.
12 citations
,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
3 citations
,
November 2017 in “International Journal of Cosmetic Science” Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
March 2016 in “RepositóriUM (Universidade do Minho)” Molecular dynamics simulations help understand keratin's properties and predict hair's response to treatments.
156 citations
,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
122 citations
,
March 2013 in “Expert opinion on drug delivery” Optimizing drug delivery to hair follicles is crucial for effective treatment.
82 citations
,
January 1994 in “Skin Pharmacology and Physiology” Hair follicles and glands significantly increase steroid absorption in skin.
55 citations
,
March 2018 in “Journal of pharmacy & pharmaceutical sciences” Microneedles help improve drug delivery through the skin and are used in medicine and beauty treatments.