It is a humectant like glycerin and hyaluronic acid with an added properties that enhance the absorption of active ingredients into your skin.
It is known as hyaluronic acid and humectant. It has water bind properties to prevent transpidermal water loss from your skin
Most studied ingredients with clinical trials. It showed to reduce ageing appearance with 5% Niacinamide for 12 weeks (PMID: 16029679). It is well known to minimise large pores and fight blemishes. Niacinamide may help in ceramide synthesis on your skin to provide hydration and strengthening your skin barrier. It may has the ability to reduce hyperpigmentation spots and fine lines/wrinkles.