Standard serum is a new product that is just beginning to gain popularity in the beauty industry. But now we can say that this is one of the most effective and safest ways to combat skin problems. This serum has a fairly wide range of actions and helps solve several skin problems at once. Serum is a concentrated solution of highly active components that are able to penetrate deep into the layers of the dermis, affecting the causes of various aesthetic problems. The product has a visible rejuvenating effect and maintains a healthy appearance of the skin. Serum components help moisturize, nourish the skin, fill it with moisture and remove flaking. They also control sebum production, tighten pores, eliminate inflammation, heal, and soften the skin. The main active ingredient of the serum is hyaluronic acid, which is ideal for solving the problem of dry, dehydrated skin. This serum is also good because it can be used on any skin type without fear of negative consequences. This is truly a great buy for people of all ages. Before using the serum, be sure to test for an allergic reaction. To do this, apply a small amount of the drug to the inner bend of the elbow and wait twenty-four hours. If during this time no redness or itching occurs, then you can use the serum for its intended purpose.