43 citations
,
July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
3 citations
,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
7 citations
,
March 2024 in “Scientific Reports” The neighborhood face index (NFI) accurately predicts properties of complex molecules.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
3 citations
,
March 2005 in “Iranian Journal of Pharmaceutical Sciences” Liposomes and niosomes can increase finasteride retention in the skin.
11 citations
,
April 2011 in “Biomolecules & Therapeutics” Anionic liposome formulations of finasteride may effectively treat hair loss with fewer side effects.
4 citations
,
November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
November 2025 in “Cosmetics” POLEVAN® improves hair shine, moisturizes the scalp, and maintains foam quality in shampoos.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
5 citations
,
February 2021 in “Gels” HYDRO DELUXE BIO hyaluronic acid hydrogel is compatible with skin cells, may reduce inflammation, promote blood vessel growth, and protect against oxidative stress, suggesting it could help revitalize hair follicles.
1 citations
,
October 2025 in “Gels” Nanogels with hydrophobic modifications improve oral drug delivery for intestinal disease treatment.
105 citations
,
April 2017 in “International Journal of Nanomedicine” Ethosomes are effective for delivering drugs through the skin by penetrating deeply and targeting hair follicles.
12 citations
,
December 2011 10 citations
,
June 2023 in “Preprints.org” Hydrogel-forming microneedles are a safe and effective method for delivering drugs through the skin.
14 citations
,
August 2021 in “Journal of Pharmaceutical Sciences” Cholesterol- and phospholipid-free niosomes improve deep skin drug delivery.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
19 citations
,
January 2020 in “Journal of Biophotonics” A PEG-400/oleic acid mixture best improves drug delivery monitoring through hair follicles.
February 2023 in “Journal of Microencapsulation” The finasteride nanosystem with trehalose is stable and effective for topical hair loss treatment.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
12 citations
,
July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
1 citations
,
November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
5 citations
,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
19 citations
,
March 2017 in “Scientific Reports” HAT-L4 is crucial for preventing body fluid loss by maintaining skin barrier integrity.
September 2017 in “Journal of Investigative Dermatology” Stabilizing HIF-1A in hair follicles may reduce oxidative stress and promote hair growth by increasing glycolysis.
Moisture makes hair flexible for reshaping during blowouts.