research Investigation of hair dye deposition, hair color loss, and hair damage during multiple oxidative dyeing and shampooing cycles.
Repeated dyeing and shampooing cause hair color loss and damage.
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30 / 1000+ resultsresearch Dyeing regions of oxidative hair dyes in human hair investigated by nanoscale secondary ion mass spectrometry
Hair dye colors mainly target melanin granules in black hair.
research On Pathways for Small Molecules Into and Out of Human Hair Fibers
Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
research Two Cases of Hypertrichosis Cubiti
Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
research Severe Hair Loss of the Scalp due to a Hair Dye Containing Para phenylenediamine
A woman lost most of her hair due to an allergic reaction to a hair dye ingredient.
research A Meta-Analysis on the Relationship Between Hair Dye and the Incidence of Non-Hodgkin’s Lymphoma
Using hair dye may slightly increase the risk of non-Hodgkin's lymphoma, especially with long-term use.
research In Vitro and In Vivo Skin Distribution of 5α-Reductase Inhibitors Loaded Into Liquid Crystalline Nanoparticles
Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.
research A Survey of the Awareness, Knowledge and Behavior of Hair Dye Use in a Korean Population with Gray Hair
People need more information about hair dye ingredients and side effects.
research In-vitro and in-vivo study of dye diffusion into the human skin and hair follicles
Dyeing hair can help target and destroy hair follicles selectively.
research Ovarian leukocyte distribution and cytokine/chemokine mRNA expression in follicular fluid cells in women with polycystic ovary syndrome
Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
research Penetration and distribution of three lipophilic probes in vitro in human skin focusing on the hair follicle
Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
research An ultrastuctural study of hair fiber damage and restoration following treatment with permanent hair dye
Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
research Penetration and Distribution in Human Skin Focusing on the Hair Follicle
Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.
research Knowledge, practice and adverse reactions amongst Hair dye users - A cross sectional study
Despite adverse effects, people continue using hair dyes for aesthetic reasons, highlighting the need for safer options.
research Study on Hair Distribution in Healthy Males for Hair Restoration Design
About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
research Formulation And Evaluation Of Herbal Hair Dye Using Platycladus Orientalis For Preventing Hair Loss”
The herbal hair dye using Platycladus orientalis effectively prevents hair loss, covers gray, and is gentle and safe for all ages.
research Formulation and evaluation, comparison of herbal hair dye with marketed formulation
The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
research Establishment of an evaluation method to detect drug distribution in hair follicles
Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
research The distribution of Langerhans cells within the human hair follicle, and some observations on its staining properties with gold chloride.
research Mechanisms of impairment in hair and scalp induced by hair dyeing and perming and potential interventions
Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
research Differential Stripping: Determination of the Amount of Topically Applied Substances Penetrated into the Hair Follicles
The new "differential stripping" method effectively measures how much substance gets into hair follicles.
research Variation in human hair ultrastructure among three biogeographic populations
Different populations have distinct hair structures related to their ancestry.
research Differential expression and functionality of ATP-binding cassette transporters in the human hair follicle
Certain transporters are found in human hair follicles and may affect hair growth and loss.
research Spatial Distribution and Functional Impact of Human Scalp Hair Follicle Microbiota
Scalp hair follicle microbes affect hair health and could be used for treatments.
research The Application of Radiochemical Techniques to the Study of the Interaction of Hair Fibers with Aqueous Solutions
Hair absorbs different substances from solutions based on pH levels.
research Premature Greying of Hair (Premature Canities): A Concern for Parent and Child
Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.
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 Trichodynia (Scalp Dysesthesia)
Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.
research Aging of hair
Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
research Aging of the hair follicle pigmentation system
Hair grays due to oxidative stress and fewer functioning melanocytes.