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This study found that acid and alkaline phosphatases serve different functions in Beagle dog skin, with ALP primarily involved in growth processes and ACP in phospholipid breakdown.

This study developed a novel smart deoxyribozyme-based fluorescent sensor that efficiently detects androgen receptor mRNA with high selectivity and can be adapted to target various nucleic acid sequences.

This study concluded that there was clear evidence of carcinogenic activity of C.I. Acid Orange 3 in female F344/N rats but not in male rats or B6C3F1 mice of either sex.

This review explores the potential of herbal therapies and modern delivery methods for managing premature hair greying, highlighting promising plant-based treatments and emphasizing the need for clinical trials to validate their effectiveness.

This study highlights that dyeing and other processing methods can impact the identification of animal species from hair fibers using an amino acid sequence analysis technique.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

This article reviews the pathogenesis and treatment approaches for premature graying of hair, noting the unsatisfactory options currently available, and reports no new clinical findings.

This study discusses the effects of incorporating various amino acids in hair care products, noting improvements in hair surface properties and color retention when integrated with conditioners.

This study found that adding urea to a polyethyleneimine solution improved the coloring ability and color fastness of low-temperature hair dyeing with acid dye by enhancing dye penetration into the hair.

In this study, the researchers explored a hair dye gel formulated with Indonesian native plant extracts and found it produced stable brown shades on bleached hair, with the most preferred dark brown achieved at a 12% concentration, and showed no skin irritation.

This study tested a natural hair dye made from papaya seed extract, celery leaf, and avocado, finding color change in animal hair but also noting tissue changes like hyperkeratosis.

In this study, the researchers found that using dragon fruit peel extract in a gray hair dye formulation, along with specific adjuvants, produced a dark black color on gray hair, demonstrating its potential as a natural colorant alternative to synthetic dyes.

The study concluded that fatty acid transport protein 4 in epidermal keratinocytes is crucial for maintaining normal skin structure, as its deficiency led to hyperkeratosis and epidermal barrier disruption in mice.

This study reports that biomass activated carbon fibers derived from metaplexis japonica seed hair effectively adsorb methylene blue dye, demonstrating high capacity and rapid adsorption performance.

This study presents three spectrophotometric methods for determining finasteride in bulk and tablet forms, showing a linear relationship between absorbance and finasteride concentration.

This review discusses the adverse effects of hair care products, highlighting irritation dermatitis and allergic contact eczema due to common allergens like paraphenylenediamine and glycerol monothioglycolate, but reports no clinical results.

This study reviewed the benefits of a poly herbal hair oil, highlighting its effectiveness in treating common hair problems like dandruff, hair fall, and dryness, while providing essential nutrients through ingredients like Coconut oil, Aloe vera, and Fenugreek seeds.

This chapter reviews the chemistry and potential benefits of plant-based hair dyes in cosmetics, but it reports no new clinical results.

Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.

This review highlights a case of cross sensitization to dyes from temporary henna tattoos and stresses the need for public awareness on the risks associated with these tattoos.

Results are not reported for this study exploring how herbal hair dye, made from natural plant-based ingredients, might promote glossier, longer, and thicker hair while covering gray.

This study found that hair dyes significantly affect DNA sequence analysis, with the organic extraction method performing better on hair shafts and the prepFiler kit yielding higher success for follicle-included samples.

This study found that surface modified nanoparticles showed increased skin permeation and improvement in allergic contact dermatitis, independent of the follicular pathway.

This review discusses the role of hair dyes in cosmetic dermatology, their effects on hair and scalp health, and the importance of dermatologists understanding potential side effects; it reports no new findings.

This case report describes a 47-year-old woman who experienced reversible curling of her hair during treatment with valproic acid, suggesting potential side effects on hair texture.

This study reports that a 100% herbal hair dye composed primarily of Cymphomandra betacea, Tagetes erecta, and Aloe vera gel provides permanent hair color without causing hair damage, loss, or skin irritation compared to synthetic dyes.

This study found that adding 7% Ecklonia cava extract to oxidative hair dyes significantly reduced their cytotoxicity and oxidative stress without affecting color performance.

This study presents a rare case of alopecia totalis occurring after the use of permanent hair dye.

In this study, tresses treated with pH 1.0 acid straightener showed better straightening but more damage to hair properties compared to those treated with pH 2.0.

This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.