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How necessary are they for our daily care? Why are they the most expensive cosmetic compositions? What are their benefits and what should we look out for?
We say that "expensive perfumes come in small bottles". Something similar applies to the case of serums, which in Greek we call serums: A serum is smaller in size than a cream, but much more expensive. However, it is the most active cosmetic.
Clinical studies show that, depending on its ingredients, it has more spectacular results than a cream: it erases fine lines faster, smoothes deep wrinkles, tightens the oval of the face, reduces discoloration and signs of aging and gives more radiance. In other words, a serum offers as many combined benefits to the skin as no other composition.
Why is it more expensive than a cream?
An ingredient, in order to penetrate as deeply as possible into the skin, must have a low molecular weight. The lower its molecular weight, the more complicated and expensive it is to process, which increases the overall cost of the product.
The serum usually consists of active ingredients of low molecular weight, which is why it is an expensive cosmetic. However, it is value for money, ie it is worth the money until the last drop: 2-3 drops, morning and night, are more than enough to offer maximum results. Thus, the amount contained in the 30 ml bottle can keep us for months.
Is the serum for everyone?
Most compositions are suitable for all skin types and are adapted to the needs of all ages from 30 and up. However, this is not always the case. When, for example, our skin is very sensitive, has eczema or rosacea, then more care is needed, because the serum, as a thin composition that is, immediately penetrates the fragile outer layer of the skin
That is why we avoid compositions with active ingredients, such as retinol, and we prefer those with tonic and soothing ingredients, such as aloe vera, zinc and fatty acids, which strengthen the skin barrier. Also, mature skin, as well as dehydrated, need rich hydration, which only a day or night cream can provide.
In these cases, then, the serum functions as a valuable addition to the daily routine that dramatically increases the results of the cream. On the other hand, due to the absence of lipids and rich nutrients, serum (anti-aging, firming, etc.) is the saving solution for oily or oily skin, which can not withstand heavy formulations. According to dermatologists, the serum dramatically increases the positive effects of a cream, but can not replace it.