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In this study, researchers found that 2 out of 9 analyzed cosmetic hair growth products contained the banned substance minoxidil, demonstrating the presence of this antihypertensive drug in some cosmetics despite regulations.

This review study focused on various in vitro methods to evaluate skin permeation and retention of sunscreens, highlighting the importance of assessing sunscreen penetration due to widespread nanomaterial usage and advancements in cosmetic formulation.

This review highlights the potential of microalgae as sustainable sources for nutraceuticals and cosmeceuticals, emphasizing their applications in functional foods, dietary supplements, and cosmetics for roles such as anti-aging and photoprotection in alignment with sustainability principles.

In this study, researchers investigated EGCG's spectroscopic properties and its interaction with DPPG lipid, finding that both experimental and theoretical approaches agree on the electronic transitions and reveal an increased absorbance due to molecular interactions.

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.

This study concluded that the follicular route is a significant pathway for delivering gentamicin through the skin, as demonstrated by higher drug permeation in non-plugged pig's ear skin compared to plugged skin.

This study reported that a bioderived melanoidin/tannic acid nanocomplex forms a durable, antioxidant-active coating on hair fibers, providing enhanced UV protection and improving tensile resilience by suppressing oxidative stress and activating endogenous antioxidant pathways.

The researchers in this study suggest that using plant-based hair serums, which combine herbs and botanical phytochemicals, can enhance therapeutic benefits for hair and skin, offering improvements like deep nutrition, skin suppleness, and UV protection compared to individual herb use.

This study developed a new finasteride release system using chitosan-based nanoniosomes, observing that 70% of the drug was released over ten days in vitro, suggesting potential for prostate cancer prevention.

This study validated an HPLC-UV method to detect minoxidil in cosmetic products and found that 2 out of 9 analyzed products contained minoxidil, despite international regulations banning its inclusion due to potential systemic absorption.

This study found that UVA and UVB exposure increased hydroquinone and sunscreen absorption in nude mouse skin, with less absorption enhancement observed in more lipophilic sunscreens.

This article proposes that androgenic alopecia might be an evolutionary mechanism for reducing prostate cancer risk by enhancing UV absorption, rather than being a risk factor.

This study found that a novel proniosomal gel formulation of CoQ10 improved antioxidant levels and provided better skin protection against UV radiation compared to a conventional CoQ10 gel in animal models.

This study developed and validated a sensitive and accurate UV spectrophotometric method for estimating finasteride concentrations, showing reliable results within a range of 5–25 μg/mL.

In this study, researchers found that the Shindai method effectively extracts keratin from human hair, with female hair yielding more keratin than male hair. The extracted keratin showed high absorption with UV spectrometry and was confirmed as α-keratin through SDS-PAGE analysis.

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 developed a spectrophotometric method to determine minoxidil in pharmaceuticals, creating a highly sensitive, simple, and cost-effective approach using a synthesized charge transfer complex with a notable absorption peak at 505 nm.

This paper reviews the benefits of using silk proteins as natural ingredients in cosmetics, highlighting their potential for improving skin and hair health due to properties like antimicrobial activity, UV resistance, and enhanced moisture absorption.

This study suggests that keratin films, which model hair damage sensitivity, remained intact after shampoo and conditioner treatments and showed potential for evaluating hair texture and adsorption.

This study found that sulforaphane-rich broccoli sprout extracts reduced UV-induced erythema by 37.7% in humans, suggesting a protective strategy against UVR damage.

This study found that bioengineered skin substitutes developed for 21 or 28 days effectively mimic native skin's ability to absorb UV radiation, suggesting suitability for treating severe skin defects.

This article discusses how UV radiation affects hair protein and pigment, destructuralizes keratin, and emphasizes the protective role of melanin, but reports no new clinical results.

This study developed and validated a UV spectrophotometric method for accurately measuring finasteride and tamsulosin in solutions and tablets, demonstrating good sensitivity and precision.

This review discusses the potential use of liposomal formulations to enhance the effectiveness of cosmeceutical delivery through the skin barrier, with no new clinical results reported.

This review discusses the mechanisms by which sunlight exposure aggravates hair aging and highlights the role of hair pigments in providing photochemical protection, reporting no new results.

This review highlights the potential of valorizing citrus by-products, particularly hesperidin from orange peels, as sustainable ingredients in skincare for antiaging, pigmentation, wound healing, and UV damage protection, emphasizing hesperidin's role in a circular economy approach.

This chapter reviews various dermatological drugs and treatments, highlighting adverse effects, with no new clinical findings reported.

This study found that the vehicle of hydrocortisone impacts its absorption and therapeutic effectiveness, as demonstrated by efficacy tests using UV-erythema and vasoconstriction models.

This study analyzed watercress oil and confirmed its phytochemical profile, UV absorption properties, and potential efficacy for hair growth, supporting traditional hot oil applications.

This study reported that silver nanoparticles biosynthesized from the Dracaena trifasciata plant showed strong antioxidant properties but no anti-inflammatory action in vitro, suggesting these findings may warrant further in vivo animal studies.