Many people think that plant extracts or herbal extracts are the best. The manufacturer claims to be pure natural and contains no preservatives, making everyone think that nature is the best. Under the help of manufacturers, consumers have unrealistic fantasies. Let's take a look at these myths!
1. Herbal skin care products will not cause allergic reactions?
Correct concept: First of all, one thing must be clarified, that is, a chemical structure, no matter what means, its effect is definitely the same. Therefore, whether it is pure plant extract or chemical synthesis, the effect will not be the same. Any substance may have an allergic reaction, so whether cosmetics cause allergies is not related to whether it is a herbal extract. If cosmetics are to claim low sensitivity, they must first undergo repeated skin tests to determine if there is any possibility of allergies. However, in reality, many cosmetic companies do not do this. Therefore, it is claimed that low-sensitivity herbal cosmeceuticals may cause skin irritation.
2. There is no preservative for herbal skin care products?
Correct concept: Declaring that there is no preservative is actually a wrong concept. All cosmeceuticals contain preservatives, and unless it is a creamy oil like petrolatum, there may be no preservatives. Preservatives exist to avoid rancidity or oxidation of chemical components and to prevent the growth of bacteria or microorganisms. Some preservatives are antioxidants such as tocopheryl acetate, ascorbic acid, or retinyl palmitate, while others are bactericidal ingredients such as Kathon-CG, Bronopol, parabens, or phenoxyethanol. Some preservatives have a scent, such as eugenol. Therefore, it is meaningless to claim a cosmeceutical containing no preservatives. At best, it can only be said that it does not contain preservatives that cause allergies.
3, herbal skin care products will not cause acne, but also can control oil?
Correct concept: This sentence is also meaningless. Any cosmeceutical product that claims to not cause acne still needs to be tested in the traditional way, confirming that it is not acne-prone. Not all herbs are safe. At present, there is no real scientific evidence for oil control that the herbal extract can effectively control oil. In the current science, most of the ingredients that can effectively control oil are based on the characteristics of adsorbing oil, rather than actually inhibiting skin oil. The most famous ones are high molecular weight polymers composed of IBMA (isobornyl methacrylate), LMA (lauryl methacrylate), and DVB (pinylbenzene). However, this was not taken out by plants, but was developed industrially to absorb oil.
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