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Nanotechnology in Cosmetics
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Transcript
Nanotechnology in Cosmetics
by Charlotte Chen
Toxicity
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Cosmetics & Cosmeceuticals
Introduction
- Cosmetics - products which amplify the appearance of the skin, intensify the cleansing, and promote the beauty of the skin.
- Cosmeceuticals - cosmetic products which incorporate biologically active ingredient having therapeutic benefits on the surface applied.
- Moisturizers, Sunscreens, Perfumes etc...
Advantages
Properties
- Skin Penetration
- Controlled Release
- Increased Efficacy
- Occlusive Properties
- Physical stability
- Encapsulate active
- Active transport of Active Ingredient
- Specific site Targeting
Applications
Application
Sunscreen
- Size = Clear
- ZnO & TiO2
- SLN - block UV
- Free Radical
- Coating
Perfume
- Oxidization of alcohol to aldehyde
- Gold -Palladium NP Catalyst
- Electronegativity
- Localized Surface Plasmon Resonance
Moisturizer
- SLN (solid lipid)
- Maintain Hydration
- Occlusive
- Encapsulation
Title
Sunscreen
Toxicity
- Antibacterial Properties
- Penetration & Inhalation
- Little to no clinical trials required
- Environmental concerns
References
References
Article
Youtube
https://pubs.acs.org/doi/10.1021/ja400527a
https://www.youtube.com/watch?v=I0Zz1NpHO5s
Article
Youtube
https://www.youtube.com/watch?v=VV0cCg4clMw&t=135s
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4689276/
Article
https://pubs.rsc.org/en/content/articlehtml/2010/fd/b908172k
- https://www.azonano.com/article.aspx?ArticleID=1875
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