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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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 In Vitro and In Vivo Study of Dye Diffusion into Human Skin and Hair Follicles
Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
research Permeant Lipophilicity and Vehicle Composition Influence Accumulation of Dyes in Hair Follicles of Human Skin
Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
research Electron Microscope Studies of Hair and Wool
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research Squalene-Containing Nanostructured Lipid Carriers Promote Percutaneous Absorption and Hair Follicle Targeting of Diphencyprone for Treating Alopecia Areata
Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.
research Comparing the Delivery to the Hair Bulb of Two Fluorescent Molecules of Distinct Hydrophilicities by Different Nanoparticles and a Serum Formulation
Serum formulations were better at delivering molecules to the hair bulb than nanoparticles.
research Hypertrichosis Induced by Latanoprost
Latanoprost, a glaucoma medication, caused excessive eyelid hair growth in many patients.
research Cutaneous Latanoprost in the Treatment of Alopecia Areata
Applying latanoprost on skin can stimulate hair growth with minimal side effects.
research Histological Evaluation of Follicular Delivery of Arginine via Nanostructured Lipid Carriers: A Novel Potential Approach for the Treatment of Alopecia
Using tiny fat particles to deliver arginine to hair follicles could be a new way to treat hair loss.
research Nanoethosomes for Dermal Delivery of Lidocaine
Nanoethosomes can improve the skin penetration of Lidocaine for topical use.
research Treatment of Androgenetic Alopecia by Exosomes Secreted From Hair Papilla Cells and the Intervention Effect of LTF
Exosomes from hair papilla cells and the Chinese medicine Liao Tuo Fang can potentially promote hair growth and could be used to develop hair growth drugs.
research 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 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 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 Human Skin Focusing on the Hair Follicle
Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
research An Ultrastructural 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 Expression and Distribution of the Guanine Nucleotide-Binding Protein Subunit Alpha-S in Mice Skin Tissues and Its Association with White and Black Coat Colors
The protein Gnαs is found more in black mice than white mice and may influence their coat color.
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 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 Bubble Hair – A Possible Explanation for Its Distribution
Using a blow dryer in a certain way can cause localized hair damage with bubble formation inside the hair.
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 Porosity at Different Structural Levels in Human and Yak Belly Hair and Its Effect on Hair Dyeing
Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
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 Ethosomes in Hair Dye Products as Carriers of the Major Compounds of Black Tea Extracts
Ethosomes improve black tea extract absorption in hair dye.
research Paraphenylenediamine Hair Dyeing Nephropathy: A Case Report and Review of Literature
Hair dye chemicals can cause serious health problems, including kidney damage.
research Effect of Surfactant Type on the Dyeability and Color Resistance of Semi-Permanent Basic Hair Dye
Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.