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30 / 1000+ resultsresearch Implication of microRNA regulation in para-phenylenediamine-induced cell death and senescence in normal human hair dermal papilla cells
Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
![Severe Hair Loss of the Scalp due to a Hair Dye Containing Para phenylenediamine](/images/research/2a4b3ee2-f028-405c-b25e-5e1ee8fc0b48/small/24639.jpg)
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.
![Sensitization and Clinically Relevant Allergy to Hair Dyes and Clothes from Black Henna Tattoos: Do People Know the Risk? An Uncommon Serious Case and a Review of the Literature](/images/research/32564604-afc7-457d-abfe-81200dff7715/small/35571.jpg)
research Sensitization and Clinically Relevant Allergy to Hair Dyes and Clothes from Black Henna Tattoos: Do People Know the Risk? An Uncommon Serious Case and a Review of the Literature
Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
![55 cases of allergic reactions to hair dye: a descriptive, consumer complaint‐based study](/images/research/7fbe92f1-e955-48b0-b3e8-bb4243bf7d88/small/25117.jpg)
research 55 cases of allergic reactions to hair dye: a descriptive, consumer complaint‐based study
Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
![Apply directly to the forehead: Holmes, Nana, and hennapecia](/images/research/968671df-5e50-4eb9-a059-1505545e85ea/small/15119.jpg)
research Apply directly to the forehead: Holmes, Nana, and hennapecia
Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
![Allergic contact dermatitis from dyes in wigs following diphencyprone treatment](/images/research/2ad0bd96-25b6-414a-b46d-a4eaed371afe/small/27593.jpg)
research Allergic contact dermatitis from dyes in wigs following diphencyprone treatment
Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.
![Hair cosmetics](/images/research/b1d6ff44-f959-44f3-b351-97a85ed7842e/small/25967.jpg)
research Hair cosmetics
The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
![728 Chemical Burns and Eyebrow Tinting: An Unusual Case](/images/research/05eca165-275e-430a-ab85-0a09f15a25e1/small/27372.jpg)
research 728 Chemical Burns and Eyebrow Tinting: An Unusual Case
Eyebrow tinting can cause chemical burns and increased awareness of its risks is needed.
![Allergens of permanent hair dyes induces epidermal damage, skin barrier loss and IL-1 α increase in epidermal in vitro model](/images/research/76240276-2fa0-459c-a0c8-8d0b43e026ac/small/29084.jpg)
research Allergens of permanent hair dyes induces epidermal damage, skin barrier loss and IL-1 α increase in epidermal in vitro model
Permanent hair dye mixtures can irritate and damage the skin.
research Metal-Chelation-Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology
Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
![Hair Colours/Dyes](/images/research/e474bab7-a9c0-4329-937e-5886ab71a4aa/small/28849.jpg)
research Hair Colours/Dyes
Natural plant-based substances can be used as effective hair dyes.
![Frontal fibrosing alopecia and lichen planus pigmentosus: is there a link?](/images/research/1f6ff366-6356-45ba-9ced-d509d26aa302/small/28534.jpg)
research Frontal fibrosing alopecia and lichen planus pigmentosus: is there a link?
There may be a connection between Frontal Fibrosing Alopecia and Lichen Planus Pigmentosus, and more research is needed to confirm this.
![Formulation and Evaluation of Herbal Hair Dye: An Ecofriendly Process](/images/research/3bba902f-f0c3-4783-9d5c-750ab0bfd3bb/small/31633.jpg)
research Formulation and Evaluation of Herbal Hair Dye: An Ecofriendly Process
The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
![Hair Product Allergy: A Review of Epidemiology and Management](/images/research/f5eecab1-5e8a-45fc-856d-88e05095a369/small/31869.jpg)
research Hair Product Allergy: A Review of Epidemiology and Management
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
![Issue Information - TOC](/images/research/887a2084-aa0f-45d1-84e4-86cd1468fc38/small/18418.jpg)
research Issue Information - TOC
The journal covered various dermatology topics, including treatments, disease management, and research findings.
![Hair Cosmetics: Dyes](/images/research/e3fbc075-0382-4913-91db-dc8d982b5447/small/29196.jpg)
research Hair Cosmetics: Dyes
Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
![Gene expression profiling of human keratinocytes exposed to the hair-dying agent, m-aminophenol](/images/research/d5cdfe56-4da1-4580-bc6b-95fc1a67e878/small/29865.jpg)
research Gene expression profiling of human keratinocytes exposed to the hair-dying agent, m-aminophenol
m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
![Hair cosmetics: An overview](/images/research/95dba1d6-610a-470c-b941-9f768feb729d/small/27342.jpg)
research Hair cosmetics: An overview
Dermatologists need to understand hair products to treat hair and scalp issues better.
![Review of Hair Follicle Dermal Papilla cells as <i>in vitro</i> screening model for hair growth](/images/research/3cd6ce89-2a40-485c-8c45-59fd1ffe3d72/small/13740.jpg)
research Review of Hair Follicle Dermal Papilla cells as in vitro screening model for hair growth
Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
![Xenobiotica-metabolizing enzymes in the skin of rat, mouse, pig, guinea pig, man, and in human skin models](/images/research/20ca005c-1115-4511-b25e-bdc6473a6e9d/small/22975.jpg)
research Xenobiotica-metabolizing enzymes in the skin of rat, mouse, pig, guinea pig, man, and in human skin models
Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.
![Hydrogen peroxide and monoethanolamine are the key causative ingredients for hair dye-induced dermatitis and hair loss](/images/research/9308945a-bfe0-40d7-8829-4aa8e7199cb5/small/24572.jpg)
research Hydrogen peroxide and monoethanolamine are the key causative ingredients for hair dye-induced dermatitis and hair loss
Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
![The eyelash follicle features and anomalies: A review](/images/research/46c6bf18-0e28-489b-8d1e-a04320d2a018/small/28885.jpg)
research The eyelash follicle features and anomalies: A review
Eyelashes protect the eyes, but more research is needed to understand how.
![An update of the pathogenesis of frontal fibrosing alopecia: What does the current evidence tell us?](/images/research/fac581cf-79a0-4a4b-b1c1-7efc1fb54f3b/small/16002.jpg)
research An update of the pathogenesis of frontal fibrosing alopecia: What does the current evidence tell us?
The current understanding of frontal fibrosing alopecia involves immune, genetic, hormonal factors, and possibly environmental triggers, but more research is needed for effective treatments.
![Inhibition of Inflammatory Gene Expression in Keratinocytes Using a Composition Containing Carnitine, Thioctic Acid and Saw Palmetto Extract](/images/research/f41f1509-0bc3-4a83-bee8-16062ffc25f6/small/26215.jpg)
research Inhibition of Inflammatory Gene Expression in Keratinocytes Using a Composition Containing Carnitine, Thioctic Acid and Saw Palmetto Extract
The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
![Telogen Effluvium: Is There a Need for a New Classification](/images/research/62cdffcf-d3a3-4acb-bda5-13b39ce663ca/small/18544.jpg)
research Telogen Effluvium: Is There a Need for a New Classification
The paper suggests improving diagnosis and treatment of telogen effluvium but does not recommend a new classification system.
![Tattoos: A summary knowledge for the practising clinician](/images/research/baf70378-4ff7-4ee2-bfd2-b64eca3653f4/small/21555.jpg)
research Tattoos: A summary knowledge for the practising clinician
Clinicians should understand tattoos to manage health issues, as tattoos can cause complications and affect medical assessments.
![Diseases of Periocular Hair](/images/research/063f34aa-dcd0-4411-ba92-ecb7af42fd8b/small/21914.jpg)
research Diseases of Periocular Hair
The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.
![Large-Scale Beard Extraction Enhances the Cosmetic Results of Scalp Hair Restoration in Advanced Androgenetic Alopecia in East Asian Men: A Retrospective Study](/images/research/abef9f49-1de4-4944-b068-5f5329649671/small/4725.jpg)
research Large-Scale Beard Extraction Enhances the Cosmetic Results of Scalp Hair Restoration in Advanced Androgenetic Alopecia in East Asian Men: A Retrospective Study
Beard hair extraction improves scalp hair restoration results in East Asian men with severe hair loss.
![A case report of alopecia totalis associated with permanent hair dye use](/images/research/33c9c25c-861c-44a0-8e54-b8d33d5234f9/small/32024.jpg)
research A case report of alopecia totalis associated with permanent hair dye use
Permanent hair dye may cause total hair loss.