research Hair colouring, permanent styling and hair structure
Frequent hair coloring and styling can damage hair and cause breakage or loss.
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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 Permanent hair dyes and bladder cancer risk
Permanent hair dye use may increase bladder cancer risk, especially in female smokers with certain genetic traits.
research A case report of alopecia totalis associated with permanent hair dye use
Permanent hair dye may cause total hair loss.
research A New Permanent Straightening Process of Human Hair Using the Water Set
The new hair straightening method keeps hair straight permanently by using specific creams and heat.
research Acetyl zingerone methyl ether protects hair against oxidative damage incurred during and after treatment with permanent dyes and helps extend longevity of newly developed hair colour
Acetyl zingerone methyl ether protects and extends hair color while improving hair health.
research BI39 Oncological therapies and hair disorders: a narrative approach on permanent chemotherapy-induced alopecia. A literature review of cancer-related therapies and their associated hair and scalp disorders
Permanent hair loss from chemotherapy significantly impacts patients' mental health and social life, highlighting the need for better patient education and support.
research Alopecia areata after severe allergic contact dermatitis to a permanent hair dye
Severe allergic reactions to hair dye can trigger hair loss and may be linked to multiple sclerosis.
research Permanent Hair Waving
Permanent hair waving uses chemicals to create long-lasting curls.
research New 4,800W, 810 nm Diode Laser with a Spot Size of 20x15 mm for Permanent Hair Removal: Pilot Clinical Study
The new laser is effective, safe, and fast for permanent hair removal.
research Permanent Localized Hair Repigmentation Following Herpes Zoster Infection
Herpes zoster infection can cause permanent hair color change in the affected area.
research Design and Development of a Shampoo with Dark Semi-Permanent Dyes for Gradual Gray Hair Coverage
The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
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.
research Effects of semi-permanent hair dyes and conditioning polymers on the colour enhancing properties of shampoo formulations
Shampoos with polymers and dyes help maintain and enhance hair color vibrancy.
research Analysis of structural changes in permanent waved human hair using Raman spectroscopy
Permanent waving weakens hair by altering its protein structure.
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 Effects of Silicone Oil Viscosity on the Physical Structure and Damage Mechanisms of Hair during Permanent Wave Treatment
Silicone oil viscosity affects hair curling and damage during treatments.
research Permanent waving and hair straightening
Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
research Characterization of nonkeratinous proteins extracted from human hair by permanet wave lotion.
Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
research The swelling behaviour of hair studied through the structural change of keratin protein during the permanent waving treatment
Hair structure changes immediately during perm treatment, with initial damage partially restored later.
research Action of Thioglycolic Acid and L-Cysteine to Disulfide Cross-Links in Hair Fibers during Permanent Waving Treatment
Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
research Effects of Reducing Hair Damage by Permanent Wave Reductants Added Glycerin or Hyaluronic Acid
Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.
research A Study on Hair Damage Following the Change of Treating Treatment Procedure when Iron Permanent is Treated
Applying conditioner mid-treatment reduces hair damage during perms.
research Corrections to “Female Pattern Hair Loss and its Relationship to Permanent/Cicatricial Alopecia: A New Perspective”
Title change to "Central Centrifugal Cicatricial Alopecia (CCCA)"; common in African American women; hair-grooming methods may contribute; no effective therapy found; trials needed.
research Structural change of keratin protein in human hair by permanent waving treatment
Permanent waving damages hair by disrupting its keratin structure.
research Effect of shampoo, conditioner and permanent waving on the molecular structure of human hair
Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
research Study on the Hair Damage Caused by Treatment Method When Applying Circular Iron Heat Permanent for Women Hair from Korea and China
Using silicon circular iron on Korean women's hair increases hair thickness the most.
research J. Cosmet. Sci., 59, 203-215 (May/June 2008) �Effects of permanent waving on changes of protein and physicomorphological properties in human head hair
Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
research Electrolysis and thermolysis for permanent hair removal
The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.
research Priming mobilization of hair follicle stem cells triggers permanent loss of regeneration after alkylating chemotherapy
Chemotherapy causes permanent hair follicle damage by triggering stem cell loss.