Best Vitamin C Serum​ For Skin Whitening. Vitamin C, a powerful antioxidant, is known for fighting free radical damage to skin cells and may help treat acne. Suitable for all skin types, Kosmoderma's Vitamin C Serum for skin Whitening harnesses powerful active anti-oxidants like L-Absorbic Acid & Ferulic Acid to protect your skin from damaging free radicals caused by UV exposure. Vitamin C can help heal blemishes, reduce hyperpigmentation, and give your skin an out-of-this-world glow. Kosmoderm’s best hair care combo serves as a great hair care gift box. Kosmodermas hair care combo offers a perfect hair care regime! Daily use strengthens & nourishes hair. Reduce hair loss, Minimize premature greying, and Reactivates hair growth. This awesome combo is all you need for your perfect hair care regime! Daily use strengthens and continuously nourishes your hair.