SkinCeuticals Tripeptide-R Neck Repair fights the signs of aging that occur on fragile neck skin. Powered by 0.2% retinol and a 2.5% tripeptide concentrate, this potent cream helps to minimize the appearance of horizontal necklines and wrinkles, loss of firmness, crepiness, and uneven skin tone revealing a firmer, smoother and more youthful-looking neck area.