Trying to keep up with what's new in the cosmetics world is a daunting task to say the least. Consumers who have done their homework are aware that lycopene is the most well-written and effective antioxidant for topical use. It can reduce the damage caused by UV and IR sunlight and can reduce the risk of developing certain forms of skin cancer. However, what is new is information about the importance of how lycopene in cosmetic preparations is formulated. A recently published data from the Department of Pharmaceutical Sciences at the Albany College of Pharmacy and Health Sciences in March 2010 reports that not only is it important for skin health but its submission to the skin is critical. Lopes LB et al, reported that topical dispersion of lycopene using micro-emulsions improves skin penetration and tissue antioxidant activity. Their study incorporates lycopene in micro-emulsions containing mono / diglycerides from capric and caprylic fatty acids.
An emulsion is a mixture of two liquids that are usually not mixed. Emulsions contain small particles of one liquid (lycopene) suspended in another. Emulsions are usually healthy in appearance. The classic examples of emulsions are oil and water. When mixed slowly under a mixing liquid combine. However, when the mixture is stopped the emulsion is broken by the separation of the two fluids. This is an example of an unstable emulsion. Stable emulsions can be formed from two fluids when the emulsifier is used. Such emulsions will not separate after changes in conditions such as temperature or over time and special cosmetic creams.
When lycopene is mixed with capric / caprylic fatty acids and mixed using a particle size ultrasonic mixer can be reduced to small diameters within 30-40 nm, then micro-emulsions. Creation of these micro-emulsions significantly increases the penetration of lycopene into the stratum corneum. Sometimes micro particles are suspended in biological active fluids such as wheat ceramides. This type of micro emulsion is called a cerosome. When formulated in this way, you not only get the antioxidant activity of lycopene but you get the added benefit of ceramide which plays a role in increasing the production of tissue collagen and elastin which improves skin tone and elasticity.
It is clear that not all antioxidant creams are created equal. There are many antioxidant skin creams on the market. In order to choose the best product available, users should have as much information as possible about a particular skin cream. The ingredients alone do not always tell the full story.
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