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Cosmopolitan | Give Your Chest Some TLC!
Horizontal "necklace" lines can be attributed to natural collagen loss and repetitive downward motions, explained dermatologist Marina Peredo, MD, Skinfluence in NYC (so, your phone addiction!). Vertical chest lines, also a result of collagen loss, can be triggered by sleeping on your side or stomach as well, says Peredo. (Alastin's collagen-booting peptide neck cream can help smooth both.)
View article in July 2018 issue.