34 citations
,
September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
6 citations
,
March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
7 citations
,
January 1990
215 citations
,
March 2018 in “Archives of Toxicology” Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.
140 citations
,
August 2011 in “Biomaterials” Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
87 citations
,
March 2000 in “American Journal of Clinical Dermatology” Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
Linalool in personal care products may worsen frontal fibrosing alopecia by damaging hair follicle stem cells and triggering harmful immune responses.
February 2015 in “Journal of Biomedical Materials Research Part B: Applied Biomaterials” 4-META resin heals skin wounds faster and better than cyanoacrylate.
January 2025 in “Bandung Conference Series Pharmacy” Tin leaf extract in solid shampoo can effectively reduce oxidative stress on hair and scalp.
January 2006 in “Guangzhou Chemistry” The new method for making Finasteride is cheaper and safer for large-scale production.
98 citations
,
November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
62 citations
,
August 2023 in “International Journal of Nanomedicine” Pluronic F127-derived hydrogels show promise for effective wound healing and repair.
1 citations
,
December 1972 in “Journal of Colloid and Interface Science” Ethanol spreads well on hair at low humidity but less so at higher humidity due to water condensation.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
1 citations
,
January 1997 in “Skin research” Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
January 2002 in “中国人民解放军军医大学学报:英文版”
January 2025 in “International Journal of Molecular Biology and Biochemistry” The Shindai method effectively extracts keratin from human hair, with potential uses in bioplastics and biofertilizers.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
12 citations
,
November 2019 in “South African Medical Journal” Lye and no-lye hair relaxers can damage skin.
9 citations
,
March 1968 in “The BMJ” A woman's severe skin reaction was caused by an allergy to a skin treatment.
15 citations
,
July 1998 in “PubMed” Fentanyl accumulates differently in hair from internal use compared to external exposure.
949 citations
,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
517 citations
,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
467 citations
,
May 1999 in “Molecular Cell” Activating c-Myc in skin causes rapid cell growth and changes, but these effects are reversible.
415 citations
,
January 2008 in “Cell” NFATc1 controls hair stem cell activity, affecting hair growth and could be a target for hair loss treatments.
414 citations
,
August 2005 in “Nature” Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.
387 citations
,
November 2003 in “Journal of Investigative Dermatology” The K15 promoter effectively targets stem cells in the hair follicle bulge.