Recent Advance in Hair Science and Hair Care Technologies: 2nd Edition

A special issue of Cosmetics (ISSN 2079-9284).

Deadline for manuscript submissions: 20 December 2024 | Viewed by 1155

Special Issue Editor


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Guest Editor
Hondo Inivation Center Co., Ltd., KIMEC Center 2F, Kobe City 650-0047, Japan
Interests: structure; curvature; physical properties; aging; local difference; chemical treatment; damages; repair; coloring; shampoo; styling
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Special Issue Information

Dear Colleagues,

This Special Issue will be focused on all aspects of hair research for science and technology; for example, hair appearance, the measurement of physical properties, microstructure analysis, hair curvature, coloring, pigmentation, decoloration, hair damage and repair, and so on. We have noticed that there have been many advances in recent research on hair science and hair care technologies. Based on your reputation and excellent contributions to these fields, I would like to invite you to contribute either an original piece of research or a review article within the focused area of this issue.

Thank you in advance for your kind consideration. Please let us know if you have any questions.

Dr. Kenzo Koike
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cosmetics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • structure
  • curvature
  • physical properties
  • aging
  • local difference
  • chemical treatment
  • damages
  • repair
  • coloring
  • shampoo
  • styling

Published Papers (1 paper)

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Research

13 pages, 2398 KiB  
Article
Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers
by Carolina Botelho Lourenço, Rebeca Mantuan Gasparin, Fernanda Malanconi Thomaz, Gustavo Carlos da Silva, Airton Abrahao Martin, Ana Cláudia Paiva-Santos and Priscila Gava Mazzola
Cosmetics 2024, 11(2), 64; https://doi.org/10.3390/cosmetics11020064 - 21 Apr 2024
Viewed by 805
Abstract
The mitigation of damaged hair conditions involves the application and penetration of substances to stabilize broken bond sites, restore lipids and proteins, reinstate hydrophobicity, and recover hair mechanical properties. Vegetable oils, in general, exhibit a list of advantageous characteristics much desired by consumers, [...] Read more.
The mitigation of damaged hair conditions involves the application and penetration of substances to stabilize broken bond sites, restore lipids and proteins, reinstate hydrophobicity, and recover hair mechanical properties. Vegetable oils, in general, exhibit a list of advantageous characteristics much desired by consumers, given the associated benefits for hair fibers. While coconut oil is highly popular in the hair care market and extensively studied for its ability to diffuse through the hair cortex, the effects of avocado and argan oil on the internal structure of hair and their potential benefits remain underexplored. Tensile and fatigue tests, as well as Raman spectroscopy, were carried out to investigate the interaction of these three oils with virgin and bleached Caucasian hair. The oils were applied in sufficient amounts directly to hair tresses and maintained for 24 h at 25 °C. Our results show that the three oils successfully diffused and interacted with the cortical region of the hairs. Their impact on hair mechanical properties depends on the level of damage and humidity conditions. In virgin hair, coconut and avocado oil reinforce the hydrophobic barrier of the cellular membrane complex, preventing water from causing intense perturbation of the mechanical properties, leading to increased stiffness and break stress. Meanwhile, due to the high degree of unsaturation of its fatty acid chains, argan oil increases water absorption, resulting in losses in hair resistance. When bleached, the hydrophilicity of the hair fiber increases, determining more affinity for argan oil. Consequently, the affinity with water is also elevated, causing increased fragility to mechanical stress. The analyzed vegetable oils are not always beneficial for hair care. Their specific chemical characteristics and hair conditions will influence the final results and should be taken into consideration in hair care product development. Full article
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