How to distinguish real silk
There are several types of artificial analogs of natural silk and at first it seems difficult to determine whether you bought a natural product or an imposed fake. We want to say right away that not all types of rayon are “bad” and “low-quality”. Moreover, there is a higher quality non-natural silk than other similar artificial fabrics. For example, the so-called "mercerized" silk, which is so similar to natural that at first it is difficult to distinguish it (but it is still possible, having simple knowledge, and we will talk about this below).
Therefore, a reasonable question arises - what is the difference and uniqueness of natural silk, if there are “good” analogues? It's simple. Artificial silk may be visually appealing, but no material has yet been created that can match natural silk in quality. After all, natural silk has such unique qualities as hygroscopicity, air permeability, is able to adjust to your body temperature, does not promote the growth of bacteria, and also has high strength and durability, provided it is properly cared for.
So, having found out why artificial types of silk are inferior to natural ones, we will learn to distinguish our beautiful material from fakes.
Let's immediately exclude several methods of mechanical and chemical action on the fabric, which are not applicable if you buy a beautiful thing for long-term use. Most likely, you will not try to tear it (natural silk is so strong that it does not tear by hand, unlike artificial silk). You will not cut or unravel the edge of it, pull out the threads in order to check the flowability of the fabric (rayon crumbles heavily on the cut). You will not burn it (real silk smells like burnt wool or feathers when burning, unnatural - like burnt plastic or paper). And you certainly won't try heating in alkali or similar chemicals to see how your natural product dissolves in a saucepan.
Moving on to real methods: look at the price - natural silk products have a price significantly higher than similar artificial ones and this price is reasonable. Do not believe if "real" silk is sold to you much cheaper than its usual price - silk things cannot be cheap.
Also, a natural product is easy to feel by touching it to the skin - you will not feel discomfort, but a gentle touch of the fabric, which immediately takes on the temperature of your body and seems to connect with it like a second skin, while artificial silk feels cool and tough.
Natural silk shines softly, muted and shimmers, as if sparkling in the sun. Artificial fabric shines dull and rough, has no shades, therefore does not change its color in the light.
Try wrinkling the fabric for a few seconds. Natural material does not form as strong creases as artificial material, the folds on which can be smoothed out only when exposed to iron or steam. However, at the same time, there are always natural irregularities on the surface of natural silk, while artificial silk is unnaturally smooth.
Well, now you are grounded in the question of the naturalness of silk fabric and can quickly distinguish it from artificial.
Take care of yourself - wear natural silk underwear and clothes for your home, because comfort during home rest is most important, not to mention the aesthetic component of such clothes.