Jan Marini C-ESTA Face Serum is a powerful antioxidant serum that reduces signs of aging and uneven skin texture. The C-ESTA Face Serum is formulated with hyaluronic acid, DMAE, and a lipid-soluble form of Vitamin C that work together to protect the skin from free radicals, diminish fine lines, smooth wrinkles, and even out skin tone and texture. In a study published by the Journal of Drugs in Dermatology compared Jan Marini’s C-ESTA Serum to another leading Vitamin C serum and C-ESTA was declared superior and was preferred by the study subjects.  Why DermWarehouse Loves Jan Marini C-ESTA Face Serum: The lipid-soluble form of vitamin C in this serum enables this strong antioxidant to help in protecting and repairing the skin without causing irritation. DMAE in this serum works together with Vitamin C to reduce fine lines and wrinkles of the skin for tighter, firmer skin. Hyaluronic acid draws in moisture to the skin and keeps it hydrated and smooth. This serum is great for all skin types and is clinically shown to produce results.