One of by far lucrative product categories nowadays is skincare. The evolution of cosmeceutical treatments based on natural ingredients rather than synthetic chemicals has been prompted by consumer demand for skin-friendly products. Due to their multifunctional qualities, polysaccharides, mostly from natural sources, have been extensively employed in the cosmetics industry, skin care, skin diseases, skin related problems, contributing significantly to the study and creation of cosmetics products. Because structure and function are closely related, various extraction and purification techniques may alter the way that polysaccharides are built, therefore, alter their biological activities. Understanding the biology the skin enables the determination of which active components are crucial for maintaining its barrier-forming properties, which are crucial for skin health. Some polysaccharides may also enhance the sensory qualities and formulation stability. In this manner, they serve as intriguing active components for the creation of potent cosmetic formulations for the defence of the skin and preservation of the stability of its construction.