Introduction
Cosmetics have been used since ancient times to enhance natural beauty. With the advancement of technology, cosmetic companies have introduced nanoparticles in their products, which are used for their unique properties - including better absorption, improved texture and longer shelf-life. However, concerns have been raised about the safety of these nanoparticles, and many people are now going back to natural ingredients.
In this blog post, we'll compare the use of nanoparticles in cosmetics with natural ingredients, and see which one is the better option.
What are nanoparticles?
Nanoparticles are tiny particles, measured in nanometers (nm), that are used in various fields including medicine, electronics, and cosmetics. In cosmetics, nanoparticles are used for their unique properties including better absorption, improved texture and longer shelf-life.
Nanoparticles in cosmetics
According to a report by the Environmental Working Group (EWG), "more than 75% of all sunscreens contain nanoparticles". While there is no clear evidence that nanoparticles are harmful to the human body, more studies are needed to fully understand their potential risks. Some studies have suggested that certain nanoparticles, such as titanium dioxide and zinc oxide, could have toxic effects on human cells.
On the other hand, nanoparticles have been praised for their benefits in cosmetics. For example, they help to create a smoother texture, reduce the size of pores, and increase the brightness of skin. They can also provide UV protection and help to keep skin hydrated.
Natural ingredients in cosmetics
Natural ingredients have been used for centuries in cosmetics. They are gentle on the skin, and are unlikely to cause any harm to the body. Some of the most popular natural ingredients in cosmetics include aloe vera, jojoba oil, coconut oil, and chamomile.
While natural ingredients may not have the same properties as nanoparticles, they are still effective in treating a range of skin types and conditions. For example, aloe vera is known for its soothing properties, and can help to reduce inflammation and redness. Coconut oil is effective in nourishing and hydrating the skin, while chamomile can help to calm and soothe sensitive skin.
Which is better?
When it comes to choosing between nanoparticles and natural ingredients in cosmetics, it ultimately comes down to personal preference. If you prefer to use products that are 100% natural, then natural ingredients are the way to go. If you are looking for the unique properties that nanoparticles can offer, then look for products that use zinc oxide and titanium dioxide as the nanoparticles. These two are considered by experts to be safe for human use.
It's also important to remember that the cosmetics industry is constantly evolving. As new technology emerges, cosmetics companies may find new ways to use nanoparticles safely, or they may go back to more natural ingredients. It's up to consumers to stay informed, and to make the best choice for their own individual needs.
References
- Environmental Working Group. (n.d.). Nanoparticles and Sunscreen. Retrieved June 11, 2022, from https://www.ewg.org/sunscreen/report/nanoparticles-in-sunscreen/
- Dreher, K., & Jahr, S. (2012). Nanoparticle Human Exposure Assessment - A Review of the Data Available in the Literature. Nanotoxicology. doi: 10.3109/17435390.2011.558652
- American Academy of Dermatology. (n.d.). Choosing a moisturizer. Retrieved June 11, 2022, from https://www.aad.org/public/everyday-care/skin-care-basics/moisturizer-ingredients
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