This herb is used in many cosmetic products. It is reported to be found in at least 32 different formulas. Among these products, the most commonly used ones include deodorants and toothpaste. However, there are other types of rosemary extract that are often used in cosmetics. For example, you might find rosemary oil or extract in your favorite deodorant.
In research studies, rosmarinus officinalis L. extract has antimutagenic potential. In vivo, it did not reduce the number of MNPCEs. Topical application of the herb reduced skin tumors in mice. The extract decreased tumors when compared to the control group, where mice were given DMBA, TPA, and croton oil.
This herb also has anti-inflammatory properties. It inhibits cyclophosphamide-induced hepatotoxicity. Moreover, it is known to have a high antioxidant activity and can be used as a therapeutic agent. However, it is not clear exactly how it works. Several studies have shown that this herb can inhibit cyclophosphamide-induced hepatotoxicity in mice.
Some studies have found some cases of allergic reactions to R officinalis. Some studies used photopatch tests, which revealed a greater degree of sensitivity. Some also evaluated the effects of carnosol, which was found to be non-toxic at concentrations of 0.1% and 1.0%. Despite these findings, R officinalis is GRAS, but more research is needed to determine if it is safe for local use.
There have been a few studies on rosmarinus officinalis (rosemary) derived ingredients in cosmetic products. The most commonly reported function of these ingredients is as skin conditioning agents and fragrance ingredients. However, the composition of these ingredients in cosmetics may contain multiple botanicals. Formulators must be aware of constituents and avoid introducing them at levels that are potentially hazardous to consumers. Good manufacturing practices are critical to ensuring that this herb can be safely used.
Despite its medicinal potential, R. officinalis is not yet widely used. Although its medicinal properties have been investigated, a growing number of studies have focused on its essential oil. In addition to flavonoids, rosemary contains rosmarinic acid, a phenolic compound that is structurally derived from carnosic acid. These compounds are largely responsible for rosemary’s pharmacological activities.
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