Kansas Cosmetology Practice Exam

Hyaluronic acid is widely recognized for its impressive hydrating properties in skin care. This naturally occurring substance in the body is known for its ability to hold up to 1,000 times its weight in water, making it an incredibly effective humectant. When applied to the skin, hyaluronic acid attracts moisture from the environment and helps retain it, resulting in a plumping and hydrating effect. This makes the skin appear smoother and more hydrated, which is particularly beneficial for aging or dry skin types.

In contrast, salicylic acid is primarily known for its exfoliating and acne-fighting properties rather than hydration. Vitamin C is celebrated for its antioxidant properties and role in brightening the skin, while retinol is mainly recognized for its ability to promote cell turnover and address signs of aging. Each of these ingredients has unique benefits, but hyaluronic acid stands out specifically for its ability to provide lasting moisture to the skin.