Carcinine dihydrochloride is widely used in skincare and cosmetic products due to its antioxidant properties. It helps protect the skin from oxidative stress caused by environmental factors like UV radiation and pollution. This compound is known to stabilize and enhance the effectiveness of other antioxidants, making it a valuable ingredient in anti-aging formulations. Additionally, it supports skin hydration, reduces the appearance of fine lines, wrinkles, and dark spots, promotes collagen synthesis for improved elasticity and firmness, and aids in repairing sun-damaged skin, promoting a more youthful complexion. In the field of ophthalmology, it is utilized in eye drops to alleviate symptoms of dry eye syndrome and improve overall eye health. Its ability to neutralize free radicals also makes it beneficial in protecting ocular tissues from damage.