Cosmetics
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Types of Hair Dye and Their Mechanisms of Action
Cosmetics - Tập 2 Số 2 - Trang 110-126
Hair color change by dye application is a common procedure among women. Hair
dyes are classified, according to color resistance, into temporary,
semipermanent, demipermanent and permanent. The first two are based on molecules
which are already colored. Temporary dyes act through dye deposition on
cuticles, but semipermanent may penetrate a little into the cortex and so the
color resists up to six ...
Known and Unknown Features of Hair Cuticle Structure: A Brief Review
Cosmetics - Tập 6 Số 2 - Trang 32
The cuticle is the outermost layer of overlapping flattened cells of hair and
has been subjected to many years of study to understand its structure and how it
develops in the follicle. The essential function of the cuticle with its tough
inelastic protein content is to protect the inner cortex that provides the
elastic properties of hair. Progress in our knowledge of hair came from studies
with th...
Topical Minoxidil-Loaded Nanotechnology Strategies for Alopecia
Cosmetics - Tập 7 Số 2 - Trang 21
Androgenetic alopecia (AGA) is a multifactorial and age-related condition
characterized by substantial hair loss affecting both men and women.
Conventional treatments include the use of topical minoxidil (MNX) formulations
to stimulate hair growth and restore hair condition. However, those treatments
are associated with limited performance and a lack of tolerability and
compliance due to the emerg...
Nanotechnology-Based Cosmetics for Hair Care
Cosmetics - Tập 2 Số 3 - Trang 211-224
Hair is a significant indicator of health and can have a major impact on an
individual’s cosmetic appearance. Research within the cosmetics industry has
revealed that when nanomaterials are engineered into hair care, they can enhance
the benefits of active ingredients in order to improve hair cosmesis. Within the
cosmetics arena, the unique size and intrinsic properties of nanoparticles can
be tai...
Essential Oils and Their Single Compounds in Cosmetics—A Critical Review
Cosmetics - Tập 5 Số 1 - Trang 11
Essential oils are widely incorporated in cosmetic products, perfumes and
related household products due to the variety of their properties but mainly due
to their pleasant odour. The composition of these volatile natural complex
mixtures may vary depending on the quality of plant material from which they
were obtained and the extraction method by which they were derived. These
factors are also im...
Skin Sensitization Testing: The Ascendancy of Non-Animal Methods
Cosmetics - Tập 9 Số 2 - Trang 38
A century ago, toxicology was an empirical science identifying substance hazards
in surrogate mammalian models. Over several decades, these models improved,
evolved to reduce animal usage, and recently have begun the process of
dispensing with animals entirely. However, despite good hazard identification,
the translation of hazards into adequately assessed risks to human health often
has presented...
The Chemical Composition, Antioxidant and Anti-Tyrosinase Activities, and Irritation Properties of Sripanya Punica granatum Peel Extract
Cosmetics - Tập 7 Số 1 - Trang 7
This is the first study to investigate the effect of ethanol concentrations on
the phenolic content and biological activities of Sripanya Punica granatum peel
extract. Various concentrations of ethanol, (20 to 80% v/v), were used in the
maceration process. Extracts were investigated for total phenolic content by the
Folin–Ciocalteu method, antioxidant activities by 1,1-diphenyl-2-picrylhydrazyl
(D...
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