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Nutrients
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The Impact of Nutrition on Skin, Hair and Nail Conditions
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The Impact of Nutrition on Skin, Hair and Nail Conditions

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Metabolism".

Deadline for manuscript submissions: 5 October 2025 | Viewed by 1588

Special Issue Editors

Dr. Karolina Chilicka-Hebel

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Guest Editor
Department of Health Sciences, Institute of Health Sciences, University of Opole, 45-060 Opole, Poland
Interests: dermatology; acne vulgaris; cosmetology; probiotics
Special Issues, Collections and Topics in MDPI journals
Dr. Przemysław Domaszewski

E-Mail Website
Guest Editor
Department of Health Sciences, Institute of Health Sciences, University of Opole, 45-060 Opole, Poland
Interests: nutrition; dietary supplements; biochemistry; plant polyphenols
Dr. Chandra K. Singh

E-Mail Website
Guest Editor
Department of Dermatology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
Interests: skin cancer; chemoprevention; novel molecular targets; targeted therapy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The way we eat affects not only the condition of our skin but also that of our hair and nails. Nutritional factors influence the skin and its appendages in multiple ways. They affect the body’s nutritional status, regulate fat and carbohydrate metabolism, and contribute to hormonal balance. The impact of nutrition on the gut microbiome and its role in modulating inflammatory processes is also noteworthy. Additionally, stress has a profound effect on the health of skin, hair, and nails, often interacting with nutritional factors. Stress can disrupt the hormonal balance, lead to poor dietary choices, and trigger inflammation, which exacerbates conditions such as acne, hair thinning, and brittle nails.

Poor nutrition, exposure to microplastics and mercury, and an imbalanced gut microbiome can have severe consequences for overall health, aggravating issues such as hair loss, skin disorders, and weakened nails. Appropriate nutrition, including the use of food supplements, may help counteract some of these adverse effects. Supplements aimed at supporting hormonal equilibrium, enhancing the body’s resilience to oxidative stress, and addressing nutritional deficiencies are important in promoting the health of skin, hair, and nails, particularly in stressful situations.

Given this background, we hope that this Special Issue will be a success. The topic is broad, and we are confident that it will attract contributions not only from experts in dietetics but also from cosmeticians, dermatologists, and other professionals keen to publish their scientific research.

Dr. Karolina Chilicka-Hebel
Dr. Przemysław Domaszewski
Dr. Chandra K. Singh
Guest Editors

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. Nutrients 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 2900 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

  • nutrition
  • microbiome
  • microplastics
  • mercury
  • skin diseases
  • hair diseases
  • nail diseases
  • inflammation
  • stress
  • hormonal balance
  • dietary supplements

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Published Papers (2 papers)

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Research

14 pages, 890 KiB  
Article
Effects of Eight-Week Supplementation Containing Red Orange and Polypodium leucotomos Extracts on UVB-Induced Skin Responses: A Randomized Double-Blind Placebo-Controlled Trial
by Petra Keršmanc, Tina Pogačnik, Janko Žmitek, Hristo Hristov, Olga Točkova and Katja Žmitek
Nutrients 2025, 17(7), 1240; https://doi.org/10.3390/nu17071240 - 2 Apr 2025
Viewed by 652
Abstract
Background/Objectives: Oral photoprotection is gaining attention as a complementary approach to conventional sun protection. This randomized double-blind placebo-controlled study evaluated the effects of an 8-week dietary intervention with a syrup supplement containing Polypodium leucotomos extract (PLE), Red Orange Extract (ROE), and vitamins [...] Read more.
Background/Objectives: Oral photoprotection is gaining attention as a complementary approach to conventional sun protection. This randomized double-blind placebo-controlled study evaluated the effects of an 8-week dietary intervention with a syrup supplement containing Polypodium leucotomos extract (PLE), Red Orange Extract (ROE), and vitamins A, C, D, and E on minimal erythema dose (MED), UVB-induced erythema (Δa*), and pigmentation changes (ΔMI). Methods: In total, 54 fair-skinned participants (phototypes I–III) were randomized into either the intervention (IP) or placebo group (n = 27 per group). MED, Δa*, and ΔMI were assessed at baseline after 2 and 8 weeks of supplementation. Results: Throughout the intervention, MED gradually increased, while Δa* decreased in the IP group. While these changes were not statistically significant after 2 weeks, they reached significance after 8 weeks of intervention. By the end of the study, the IP group exhibited a significant 23.8% increase in MED (from 0.447 ± 0.096 to 0.553 ± 0.142 J/cm2; p < 0.05) and a 46.2% reduction in erythema intensity (from 2.40 ± 0.94 to 1.29 ± 1.04 au; p < 0.0001). In contrast, ΔMI in the IP group (from 0.67 ± 0.81 to 0.82 ± 0.96 au) were comparable to those observed in the placebo group, with no significant differences between groups. Conclusions: These findings suggest that supplementation with PLE, ROE, and vitamins A, C, D, and E provides systemic photoprotection by enhancing UV tolerance and reducing erythema without affecting tanning response. This study supports oral supplementation as an adjunct to topical photoprotection, with prolonged use potentially yielding cumulative benefits. Full article
(This article belongs to the Special Issue The Impact of Nutrition on Skin, Hair and Nail Conditions)
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16 pages, 2315 KiB  
Article
Acerola-Derived Photorepair System for Eliminating Ultraviolet-Induced Pyrimidine Dimers in Human Cells
by Mamoru Yanagimachi, Tomohiro Umezu, Masakatsu Takanashi, Yoshiki Murakami, Takahiro Ochiya and Masahiko Kuroda
Nutrients 2025, 17(5), 792; https://doi.org/10.3390/nu17050792 - 25 Feb 2025
Viewed by 481
Abstract
Background/Objectives: Ultraviolet B (UV-B) is a significant risk factor for skin damage, as it induces cyclobutane pyrimidine dimers (CPD), which suppress DNA replication and transcription. Photolyase (PHR) is a blue light-dependent enzyme that repairs DNA damage caused by UV irradiation. While it [...] Read more.
Background/Objectives: Ultraviolet B (UV-B) is a significant risk factor for skin damage, as it induces cyclobutane pyrimidine dimers (CPD), which suppress DNA replication and transcription. Photolyase (PHR) is a blue light-dependent enzyme that repairs DNA damage caused by UV irradiation. While it is absent in human, it plays a crucial role in repairing CPD in other organisms. Acerola (Malpighia emarginata DC), a fruit with high antioxidant content, is widely consumed for health benefits. This study aimed to identify a novel PHR in acerola and evaluate its photorepair activity. Methods: Using RNA-seq data, we cloned the full-length sequence of the acerola PHR gene and constructed an expression vector. A stable transfected HEK293 cell line (HEK293/acPHR) was established. CPD repair activity was analyzed under blue light in these cells, as well as in normal human dermal fibroblasts (NHDFs) supplemented with extracellular vesicles (EVs) from HEK293/acPHR cells and extracellular vesicle-like nanoparticles derived from acerola extract. Results: Blue light-dependent CPD reduction was observed in HEK293/acPHR cells compared to control cells following UV-B irradiation. Additionally, CPD repair activity was demonstrated in NHDFs and HEK293 cells treated with EVs from HEK293/acPHR cells and nanoparticles from acerola extract. Conclusions: Acerola-derived PHR exhibits the potential to repair UV-induced DNA damage in human cells. Furthermore, EV-mediated delivery of PHR provides a promising avenue for extending photorepair capabilities to other cells. These findings highlight the potential applications of acerola PHR in the prevention and treatment of UV-induced skin damage and related conditions. Full article
(This article belongs to the Special Issue The Impact of Nutrition on Skin, Hair and Nail Conditions)
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