January 2017 in “Archives of Aesthetic Plastic Surgery” Hair care products with placental growth factor can improve hair thickness and density in postpartum hair loss.
182 citations
,
June 2017 in “Biomaterials” Special fiber materials boost the healing properties of certain stem cells.
179 citations
,
June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
149 citations
,
June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.
15 citations
,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
5 citations
,
February 2022 in “Animals” Sodium sulfide slows wound healing, while electric shaving is the safest for preoperative hair removal.
2 citations
,
December 2025 in “Cosmetics” Proper scalp care can improve hair health and delay ageing signs.
2 citations
,
January 2023 in “Biomedicines” The treatment combining laser and fetal fibroblasts effectively reduces scarring.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
September 2025 in “Cell Reports” Skin stretching can improve vaccine delivery through hair follicles and boost immune response.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
April 2024 in “International journal of molecular sciences” Dermal factors are crucial in regulating melanin production in skin.
KRTAP6 genes affect wool quality in sheep.
October 2023 in “International journal of women’s dermatology” Hair camouflage methods like wigs and extensions can help Black women with alopecia feel better but may also damage hair if not used carefully.
Plant-based compounds can improve wound dressings and skin medication delivery.
April 2021 in “Indian Journal of Animal Research” Goat skin has collagen, elastic, and reticular fibers, with hair follicles increasing in depth as goats age.
January 2019 in “Deleted Journal” Biofield Energy Healing may promote hair growth and treat skin disorders by enhancing hair follicle development.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.
48 citations
,
May 2021 in “Molecules” Plant extracts from dry flowers can be used as safe, effective dyes in cosmetics, offering skin protection and anti-aging benefits.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
August 2025 in “Biomacromolecules” The hydrogel dressing improves wound healing, offers long-lasting antibacterial effects, and enhances patient comfort.
April 2017 in “Journal of dermatology & cosmetology” The marine protein complex, Viviscal®, was found to effectively reduce hair loss and improve hair, skin, and nails quality in women.
107 citations
,
August 2014 in “Dermatologic Surgery” PRP injections improve hair thickness for baldness.
61 citations
,
October 1996 in “Development” Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
9 citations
,
January 2011 in “Skin Research and Technology” The new automatic tool accurately measures hair thickness and is reliable.