International Research Congress on Health and Life Sciences (INSAC-IRHES Çanakkale 2026), Çanakkale, Türkiye, 14 - 16 Mayıs 2026, ss.20-30, (Tam Metin Bildiri)
Nanotechnology is defined as a groundbreaking multidisciplinary field of
science that focuses on the control and manipulation of matter at the atomic,
molecular, or supramolecular levels, typically operating within the extremely small
scale of 1 to 100 nanometers. Over the last decade, the cosmetic industry has
emerged as one of the most proactive sectors in adopting this technology, utilizing
its unique physical and chemical properties to initiate the era of "nanocosmetics."
This evolution transcends the traditional boundaries of beauty products, shifting the
focus toward functional and therapeutic outcomes. The primary objective of this
review is to comprehensively synthesize the technical advantages offered by different
nanomaterials, the complex mechanisms of action of these structures within skin
layers, and the significant safety and ethical concerns accompanying this rapidly
expanding scientific field.
The research methodology involves a rigorous analysis and synthesis of
contemporary academic literature, peer-reviewed toxicological studies, and current
international regulatory frameworks, specifically focusing on European Union
directives and the guidelines established by the Scientific Committee on Consumer
Safety. The findings demonstrate that major obstacles faced by conventional
cosmetic formulations—such as the chemical instability of active ingredients,
difficulties in bypassing the biological skin barrier, and limited targeted delivery—
are effectively overcome through sophisticated nanotechnological approaches.
Advanced "nanocarrier" systems, including liposomes, niosomes, and
nanostructured lipid carriers, provide a protective environment for sensitive
antioxidants like Vitamins A, C, and E, which are otherwise prone to rapid oxidation
when exposed to light, air, or temperature changes. Furthermore, the results
indicate that the use of solid lipid nanoparticles significantly increases the
bioavailability of these substances, assisting them in crossing the stratum corneum
to reach deeper epidermal layers where they can stimulate essential biological
processes like collagen synthesis.
In the realm of protective cosmetics, the study highlights how reducing mineral
filters like titanium dioxide and zinc oxide to the nanoscale enables sunscreens to
offer a completely transparent and aesthetically pleasing appearance while
maintaining a powerful protective shield against ultraviolet radiation. However, the
findings also indicate that these technological superiorities necessitate intense
academic debate regarding long-term health effects. The science of nanotoxicology
reveals that while most insoluble nanomaterials are safe for healthy skin, there are
potential risks of systemic absorption through compromised skin or via inhalation
in sprayable products. Consequently, the review underscores the critical importance
of stringent regulatory protocols, such as mandatory labeling and case-by-case
safety evaluations. By balancing rapid innovation with rigorous safety standards
and moving toward green nanotechnology, the industry can maintain consumer trust
while pushing the limits of personal care performance.