32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
5 citations
,
November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
Afro-textured hair needs specialized care due to its unique genetic and structural properties.
7 citations
,
July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
New methods to classify curly hair types were developed based on shape and strength.
1 citations
,
January 1997 in “European journal of plastic surgery” Tissue expansion can fix scalp issues from hair implants.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
62 citations
,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
January 2006 in “东华大学学报:英文版” Microwave plasma treatment improves yak hair dyeing.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
Yak hair stretches mainly due to macromolecules slipping past each other.
January 2022 in “Surgical & Cosmetic Dermatology” Isotretinoin can rarely cause hair to grow curly.
6 citations
,
April 2001 in “The Anatomical Record” A new method using hair pores can help align skin grafts better, improving results.
The new method can tell how hair fibers react to moisture after treatments.
November 2024 in “International Journal of Cosmetic Science” Hair absorbs moisture differently based on its structure and treatment, with changes occurring at 30% humidity.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
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.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.