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These liposomes can be used to encapsulate active components for easy and safe delivery. Titanium dioxide and zinc oxide nanoparticles are able to absorb UV radiations and produce free radicals which affect the skin. These nanoemulsions are used in various hair sunscreens, shampoos, skin and deodorants. Conversely, these characteristics are hypothesized to be the basis for nanoparticles induced toxicity which arises due to the complex interplay between nanoparticle uniqueness (e.g. Later on, various cosmetic industries started the use of nanoparticles in the formulations of cosmetics. The hair and skin also get protected from the UV rays because of liposomes. Method:Single-anonymous The various types of nanoparticles titanium dioxide (TiO2), zinc oxide (ZnO), silver, silicon dioxide, gold nanoparticles have been utilized in cosmetics [145150]. Expel nanoparticles from your life by checking the labels on the cosmetic products you use. 3D tissue engineering constructs (3D TECs) were used to test the cytotoxicity of upconversion nanoparticles having a coating of polymers [37]. The disadvantages of nanoparticle drug delivery are synonymous with the obstacles researchers are currently trying to overcome. These nanomaterials are able to catalyze various reactions and cause toxic effects. Effect of TiO2 nanoparticles on penetration and cytotoxicity upon interaction with skin cells have been studied Evaluation of skin penetration of TiO2 nanoparticles using in vivo studies shows penetration through a dermal layer which further invades tissue causing pathological lesions in various organs thus causing a systemic response [181]. One disadvantage of nanoparticulate sunscreens is that they tend to clump together, making them difficult to apply. In addition to this, nanoparticles have been successfully used in the modulation of skin colour. Metal oxide nanoparticles such as zinc oxide and titanium dioxide nanoparticles have been extensively used in cosmetics, especially in skincare products owing to their UV blocking properties. The aluminium oxide and iron oxide were investigated for their in vitro toxic effects.
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disadvantages of nanoparticles in deodorants