I've noticed a lot of people use Vitaran for internal dryness. What are the benefits? lol

I've been working a lot of overtime lately, and maybe due to lack of sleep, my skin feels completely rough and the internal dryness has gotten insanely severe ㅠㅠ My face feels like it's going to crack after washing it, so I'm looking into getting a skin booster that contains salmon extract. Vitaran They highly recommended it! They said there is nothing better for treating internal dryness, and compared to other nutritional injections... Vitaran Its own distinct charm or merit Please let me know if you’ve tried this lol. Even someone like me with thin, sensitive, and extremely dry skin, can get skin as smooth as a peeled egg? I’m so scared about how many days the embossing marks last ㅠㅠ but regarding moisturizing... Vitaran If this really works wonders, I'm planning to just bite the bullet and go to the dermatologist this weekend, so please leave some testimonials lol.