research Exposure to gamma-rays at the telogen phase of the hair cycle inhibits hair follicle regeneration at the anagen phase in mice
Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
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research Sensitive Quantitative In Vivo Assay for Evaluating the Effects of Biomolecules on Hair Growth and Coloring Using Direct Microinjections into Mouse Whisker Follicles
The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research Measuring oxidative damage to human hair from solar radiation and pollution: A critical review
Solar radiation and pollution damage hair, especially light-colored and bleached hair.
research Faculty Opinions recommendation of Dermal adipose tissue secretes HGF to promote human hair growth and pigmentation.
Fat tissue around hair follicles releases a growth factor that helps hair grow and develop color.
research Laser hair removal
Laser hair removal has advanced to effectively reduce hair for various skin types and hair colors.
research Functionally distinct melanocyte populations revealed by reconstitution of hair follicles in mice
Only skin melanocytes, not other types, can color hair in mice.
research Reliability and Validity of a Photographic Method for Measuring Facial Hair Density in Men
The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
research Ratanjot (Alkanna Tinctoria L.) Boraginaceae Root Extract, A Miracle Hair Oil
Ratanjot root oil helps hair grow and conditions and colors it naturally.
research Preparation and Evaluation of One Stage and Two Stage Polyherbal Hair Dye Formulations
Herbal hair dyes using plants like henna and beetroot are safer and can produce varied colors, with two-stage applications giving darker shades.
research Reversible Hyperpigmentation of Skin and Nails With White Hair due to Vitamin B12 Deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
research UV damage of the hair.
Excessive sun exposure damages hair, causing protein loss and color changes.
research Predicting hair cortisol levels with hair pigmentation genes: a possible hair pigmentation bias
Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
research Reversible hyperpigmentation of skin and nails with white hair due to vitamin B12 deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
research A Study on Photostability of Ethyl Glucuronide in Hair Irradiated under Artificial Sunlight
Ethyl glucuronide levels in hair can change when exposed to artificial sunlight, depending on hair color and thickness.
research The Effect of Rosehip Extracts Addition on Permanent Wave and Hair Dye during Repetition Procedure
Rosehip extract improves hair wave, thickness, and color vibrancy.
research Effect of cosmetic hair treatment and natural hair colour on hair testosterone concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
research ABSENCE OF H2O2 BREAKDOWN IN HUMAN HAIR MEDULLA IMPLICATIONS IN FOLLICULAR MELANOGENESIS
Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
research A childhood case of trichotillomania associated with body dysmorphic disorder and stigmatization due to outstanding red hair
A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
research Review on Herbal Hair Dye
Herbal hair dyes are safer and eco-friendly alternatives to synthetic dyes, offering natural color and hair benefits.
research 1363 Hair follicle growth and pigmentation during ageing
The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
research Caucasian and Mediterranean Hair
Caucasian and Mediterranean hair is denser and varies in color and texture compared to African and Asian hair.
research Polyphenolization:Hair Browning by Phenolic Adhesion,Ambient Oxygen, and Transition Metals
A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
research Evaluation of a Novel Hybrid Polymer in Hair Treatment
The new hybrid polymer improves dyed hair's color, feel, and manageability.
research Graying of Hair Produced by Ingestion of Phenylthiocarbamide
Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
research Use of body and beard donor hair in surgical treatment of androgenic alopecia
Body and beard hair can be used for hair transplants in baldness treatment but keep their original color and curl.
research Telemedicine Alopecia Assessment: Highlighting Patients With Skin of Color
Telemedicine is effective for diagnosing hair loss, especially in people with darker skin, during the pandemic.
research TO ASSESS THE DEMOGRAPHIC CHARACTERISTICS OF COLOURED AND PERFUMED HAIR OILS ASSOCIATED CONTACT DERMATITIS
Younger people are more likely to get contact dermatitis from colored and perfumed hair oils.
research Signaling pathways in hair aging
Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
research Quantifying variation in human scalp hair fiber shape and pigmentation
African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.