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This study reports the development of a natural hair-coloring system using size-controlled ink particles from cuttlefish ink combined with chitosan, achieving darker and more uniform black coloration on hair than existing plant-based natural colorants, without the need for metallic mordants.

In this study, chitosan hydrogels and delivery systems showed promise in supporting skin recovery post-laser procedures, enhancing topical treatments for acne and melasma, and improving hair density in scalp applications, but limited study sizes and formulation variability restrict generalizability.

In this review, the authors highlight the importance of hair care for men, suggesting that proper routines and a nutrient-rich diet can help maintain scalp health, prevent hair loss, and promote a sense of well-being.

This study evaluated the protective effects of a hair conditioner containing rice derivatives on natural Caucasian hair using various analysis methods and found that the conditioner, especially with rice germ oil GX-N, effectively improved hair properties even under stress conditions like irradiation.

This study demonstrates that encapsulating cell-free fat extract in a gelatin methacrylate hydrogel enhances flap repair by sustaining angiogenesis, reducing oxidative stress, and offering favorable biocompatibility in a murine skin flap model, thereby advancing potential clinical flap necrosis treatments.

This study developed and tested a shampoo with semi-permanent dyes designed to gradually cover gray hair, reporting maintained stability and effective gray–black coloration on high-canities hair tresses through eight wash cycles.

This review summarizes current knowledge on succinic acid's applications in cosmetics and aesthetic dermatology, highlighting its potential benefits such as inflammation modulation and collagen production, although most supporting studies are small or preliminary, indicating a need for further research to validate these uses.

This literature review examined topical treatments for various alopecia types, finding that minoxidil and corticosteroids are effective for multiple conditions, while JAK inhibitors show promise specifically for alopecia areata. The study emphasized the importance of individualized therapeutic approaches to enhance outcomes in hair loss management.

This case report describes a rare instance of trichogerminoma with unusually numerous mitotic figures and a higher Ki67 proliferative rate, distinguishing it from previously documented cases.

This literature review discusses recent advances in using essential oils and their components in cosmetic products, highlighting their diverse benefits and challenges in formulation due to varying chemical profiles, as well as addressing safety considerations for these natural ingredients.

This study identifies important differences in allergens found in hair products marketed for ethnic hair compared to nonethnic hair, with fragrances being the most common allergen in ethnic products.

This study observed that regular coconut oil users have significantly reduced hair irregularities compared to non-oil users, as quantified by a new "hair protection factor" metric, highlighting coconut oil's potential in minimizing hair damage.

This article reviews the empirical use of algae in traditional remedies and highlights the need for scientific understanding of algae's bioactive compounds used in cosmetics without providing new experimental results.

This review discusses various types of hair dyes, their mechanisms of action, molecular structures, application methods, and formulation aspects, but reports no new research findings.

This review highlights the potential of marine macroalgae as a largely untapped resource for developing new active ingredients in the cosmetic industry, emphasizing their role in supporting circular economy models by utilizing waste from other industrial sectors.

This review discusses factors affecting hair aging and the current pharmacological treatments for androgenetic alopecia, mentioning topical minoxidil and oral finasteride, but does not present new clinical findings.

This study reviews the biology and cosmetic treatment of hair, emphasizing future advancements in safer, more effective procedures to meet consumer needs for hair care.

This review examines the pH levels of various shampoos and reports no new clinical results, highlighting the potential importance of labeling pH values on shampoo packaging for hair and scalp health.

This review highlights the role of keratin mutations in epidermolysis bullosa simplex and the resulting chronic inflammation, but it presents no new experimental findings.

This study found that shampoo and conditioner do not alter hair's molecular structure, while perming treatments significantly affect keratin and intermediate filament structures due to bond alterations.

This review discusses the potential of protein-based cosmetics, including keratin-based particles and fusion proteins, to improve hair properties such as strength and shape, but it reports no new clinical results.

This review discusses the use of microbial biosurfactants as a safer alternative to chemical surfactants in cosmetics due to their antibacterial, moisturizing, and low toxicity properties, but it reports no new clinical findings.

In this study, grape seed oil was found to be the most effective herbal oil for improving gloss and reducing fractures in various hair types.

This study found that the formulated herbal hair serum improved hair growth and hair weight with minor sensitivity after application and demonstrated stability for seven days.

This review reports on the effects of aging on hair characteristics such as pigmentation, growth, and structural properties across genders and ethnicities, highlighting the importance of scalp health and suggesting cosmetic solutions to improve the appearance of aged hair.

In this study, researchers highlighted that while hair lipids are crucial for hair health and protection, surfactants in shampoos and conditioners can partially remove these lipids, potentially affecting hair structure, though the exact mechanisms remain poorly understood and require further investigation.

This review summarizes recent research on the therapeutic uses of adipose-derived stem cells for wound healing and treating skin diseases but does not provide new experimental results.

This review examines the potential of Cucurbitaceae seeds, such as those from watermelon, melon, and pumpkin, as sustainable and innovative ingredients in cosmetics, highlighting their rich bioactive composition and benefits for skin and hair, despite challenges like environmental instability and low permeability.

This study explores the transformative role of tissue engineering in cosmetics, highlighting innovations like lab-grown skin and personalized grafts that enhance product efficacy, offer ethical alternatives to animal testing, and address aesthetic issues such as scarring and aging.