research Effect of Two Shampoo Formulations on the Prokaryotic and Eukaryotic Microbiota Composition of the Human Scalp
Both shampoos increased scalp germ numbers but did not change the overall microbial community composition.
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research Straight to the Point: What Do We Know So Far on Hair Straightening?
Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
research Hair Care and Cosmetics
Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
research Raman Spectroscopic Analysis of L-Phenylalanine and Hydrolyzed Eggwhite Protein Penetration into Keratin Fibers
L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
research Internal Structure Changes in Bleached Black Human Hair Resulting from Chemical Treatments: A Raman Spectroscopic Investigation
Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
research Cryogelation of Human Hair Keratins
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
research Preparation and Characterization of Soluble Wool Keratin for Human Hair Care
CMADK reduces hair damage from bleaching and permanent waving.
research Placental Extracts, Proteins, and Hydrolyzed Proteins as Active Ingredients in Cosmetic Preparations for Hair Loss: A Systematic Review of Available Clinical Evidence
Placenta products might help with hair loss, but more research is needed.
research Efficacy and Tolerability of an Oral Supplement Containing Amino Acids, Iron, Selenium, and Marine Hydrolyzed Collagen in Subjects With Hair Loss: A Prospective, Randomized, 3-Month, Controlled, Assessor-Blinded Study
The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
research Proteomic Tools for the Investigation of Human Hair Structural Proteins and Evidence of Weakness Sites on Hair Keratin Coil Segments
Hair proteins have weak spots in their α-helical segments.
research Acne and Acneiform Eruptions
Early treatment of acne is crucial to prevent scarring and psychological effects.
research Structural and Biochemical Changes Underlying a Keratoderma-Like Phenotype in Mice Lacking Suprabasal AP1 Transcription Factor Function
Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.
research A Clinical Trial to Investigate the Effect of Cynatine HNS on Hair and Nail Parameters
Cynatine HNS improves hair and nail quality in 90 days.
research The Influence of Electrode Potentials on the Extent of Reduction of Cystine in Hair Fibers by Reducing Agents
The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
research A Practitioner's Guide to Hair Loss Part 1: History, Biology, Genetics, Prevention, Conventional Treatments, and Herbals
The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.
research Hair Care Cosmetics Regulation in Different Countries: A Comparative Study
Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.
research George Ernest Rogers 1927–2021
George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
research Novel Drugs Targeting Retinoic Acid Receptors
Newer retinoid drugs are effective for skin conditions but have significant side effects.
research Enhanced Cutaneous Wound Healing by Functional Injectable Thermo-Sensitive Chitosan-Based Hydrogel Encapsulated Human Umbilical Cord-Mesenchymal Stem Cells
A new hydrogel with stem cells from human umbilical cords improves skin wound healing and reduces inflammation.
research Lipid Signaling in Keratinocytes: Lipin-1 Plays a Part
Lipin-1 is important for skin cell differentiation and skin barrier function.
research Determination of Cystine and Cysteine in Altered Human Hair Fibers
Cold waving solutions quickly reduce cystine to cysteine in hair.
research Effect of Ethnicity and Treatments on In Situ Tensile Response and Morphological Changes of Human Hair Characterized by Atomic Force Microscopy
Different ethnicities and treatments affect human hair strength and structure.
research Permanent Waving and Hair Straightening
Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
research Testosterone Concentrations and Oligomenorrhea in Women with Acne
Women with acne and irregular periods had higher active testosterone levels, which could suggest the usefulness of antiandrogen treatment.
research Mechanical and Biological Properties of Keratose Biomaterials
Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.
research Hair-Cycle-Dependent Expression of Parathyroid Hormone-Related Protein and Its Type I Receptor: Evidence for Regulation at the Anagen to Catagen Transition
Parathyroid hormone-related protein helps control hair growth phases in mice.
research Analysis of Structural Changes in Permanent Waved Human Hair Using Raman Spectroscopy
Permanent waving weakens hair by altering its protein structure.
research Chemotherapy of Psoriasis and Other Skin Disorders with Oral Retinoids
Oral retinoids are effective for treating severe skin disorders but have reversible side effects and risks for pregnant women.
research Targeted Expression of SV40 T Antigen in the Hair Follicle of Transgenic Mice Produces an Aberrant Hair Phenotype
SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
research Chemical Reactions in Curing Treatment for Permanent Hair Straightening Using Thioglycolic and Dithioglycolic Acids
Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.