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This study found that a hair-coating polyphenol complex significantly enhanced the mechanical strength, UV protection, and antistatic properties of damaged hair, suggesting potential benefits for hair treatment.

This study found that keratin-based particles were able to recover and enhance the mechanical properties and thermal stability of virgin and overbleached Asian hair, improving its strength and smoothness by around 40%, and demonstrated safety in human skin keratinocytes.

This study found that curcumin administration improved cognitive and anxiety-related behaviors and neurochemical levels in HgCl₂ exposed mice pups, suggesting protective effects against heavy metal-induced neurotoxicity.

This study reported that a Maca hydrolysate extract protected human hair follicles from oxidative and inflammatory stress and promoted hair growth in ex vivo models, suggesting a potential use for managing hair loss.

In this study, bariatric surgery in patients with morbid obesity improved various skin conditions, although acute telogen effluvium was common, with notable reductions in facial sebum and skin elasticity changes.

This study found that a sunscreen with oxothiazolidine and δ-tocopheryl glucoside provided complementary oxidative protection, with immediate but brief effects from oxothiazolidine and prolonged effects from the slower-absorbing δ-tocopheryl glucoside.

This study found that pretreatment with KP-Cryst fusion proteins effectively protected Asian and Caucasian virgin hair from thermal damage by maintaining higher water content and preventing structural changes during heat application.

This study investigated the photoprotective properties of Brazilian pepper tree extract against UV-induced damage in skin cells, reporting that it enhanced expression of genes relevant to skin health and showed superior activity compared to standard antioxidants.

This study compared the protective effects of two conditioners, Protective factor C and Keratin, on hair damaged by perm treatment using a model of damaged hair.

This study found that the water extract of Eclipta prostrata L. may protect skin cells against UVB-induced damage, likely due to its antioxidant properties and absorption of UVA and UVB radiation.

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.

In this study, Iris germanica L. rhizome-derived exosomes were found to reduce oxidative stress, enhance antioxidant enzyme transcription, and restore cellular function in human epidermal keratinocytes, suggesting potential protective effects against oxidative-stress-induced skin damage.

This review discusses rosemary's potential health benefits, including improved scalp circulation and skin protection, but reports no new clinical findings and highlights the need for better regulation and safety data on herbal medicines.

This study found that flaxseed-olive oil-based herbal formulations may be effective and multifunctional for scalp protection and hair health, showing strong antioxidant and antibacterial properties.

This article discusses the historical and current uses of grape seeds in various industries but reports no new research findings.

The researchers found that plant extracts from Papaver rhoeas L., Clitoria ternatea L., and Carthamus tinctorius L. are effective natural cosmetic dyes, offering intense and stable colors without cytotoxicity.

This study found that non-ionic silicone emulsion best protected hair color from UV-induced fading, outperforming honeysuckle extract and benzophenone-3, with significant effects in both dyed and virgin hair.

In this review, the authors highlight the growing use of herbal cosmetics in the personal care industry due to their health benefits, emphasizing the importance of quality control and safety in these increasingly popular natural formulations.

In this study, researchers found that while sunscreens added to hair products do not provide expected protection, the dark hair absorbs the most radiation across all wavelengths, indicating a need for enhanced protection.

This study evaluated nine herbal hair oils' quality and safety, finding that while all were non-irritant and offered some UV protection, oils like Farjana and Sesa showed oxidative instability, underlining the importance of strict quality control and proper storage.

This study found that a fermented mixture containing Sasa Borealis leaf improved tensile strength and glossiness in hair damaged by heat perm and dyeing, suggesting potential as a cosmetic ingredient.

This study investigated the effects of wool-derived hydrolysed keratin peptides on relaxed textured hair and found that mid- and high-molecular weight peptides improved mechanical strength and reduced breakage in different humidity conditions.

This study concluded that extracts from fermented pumpkin peel and pulp, processed with Lactobacillus strains and kombucha, may serve as multifunctional cosmetic ingredients, offering antioxidant protection, anti-aging, and skin regeneration benefits by demonstrating cytoprotective effects and reducing inflammatory cytokines in cell assays.

This review highlights that extracts from *Hamamelis virginiana* (witch hazel) exhibit antimicrobial, anti-inflammatory, antioxidant, and wound-healing properties in various studies, showing promise for future therapeutic use in dermatology and cosmetology, particularly for skin treatments.

This paper highlights the growing scientific interest in plant extracts for cosmetics due to their potential benefits, including antioxidant, antimicrobial, and protective properties, while emphasizing the need for quality and safety assessment to mitigate possible adverse reactions.

This review highlights the growing interest in plant-based cosmetics, emphasizing their potential to provide safer and effective alternatives to synthetic products for skin care, though further research is needed to fully understand their benefits and risks.

In this animal study, hibiscus leaf simplicia ointment was found to protect red blood cell levels and promote better hair growth in UV-exposed rats, though it did not maintain normal skin histology; the ointment showed no significant acute dermal toxicity.

This article discusses the potential role of melatonin in protecting skin against stress and maintaining homeostasis, based on its local synthesis and various protective functions, but presents no new clinical results.

This review reports on the dual aspect of fullerene in skincare, highlighting its beneficial antioxidant properties as well as potential toxicity and skin cell reactions, while identifying areas for future research.

In this study, the multifunctional Hair BB Cream containing botanical extracts and other ingredients improved hair combability, increased shine and strength, and provided UV protection, highlighting its potential as an effective hair care product.