Tanda and At-Home LED Light Machines - Do They Work on Collagen and Elastin?

Does the Tanda Skincare Machine, or Similar Led Red Lights Really Improve Collagen and Elastin? I am interested in buying an at home Tanda skincare machine or similiar LED light if they truly do work and encourage collagen and elastin production for firmer, plumper skin. Is the investment worth the money?

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