Osmosis MD Correct - Preventative Retinal Serum is one of the most powerful, non-inflammatory rejuvenation serums available. Peptides promote collagen to smooth wrinkles and increase elasticity. Lactic acid exfoliates away age spots and discoloration for an even skin tone. Hyaluronic acid plums the skin. A smooth, rejuvenated and luminous finish results from this serum.