... ability to produce collagen. Elastin The primary difference between collagen and elastin is that the latter protein gives ... Causation: Various causations which may include inheritance, hot and cold external stimulation , vascular aging, weak elasticity, ... LightProduct No.AFT-600TechnologySquare-Motion TechnologyOperation ModesStationary Operation and Motion OperationWavelength420-950nm for SR, 610-950nm ...