RetrospectRetrospect C4-7 Intensive Serum

BUY at Birchbox

We don't have the time or the patience to read volumes of scientific research in search of an antiaging ingredient that doesn't make false promises. Good thing the skincare experts at Retrospect did the hard work for us. Their concentrated serum contains a unique form of keratin protein that softens the look of wrinkles by triggering collagen production within your cells right at the point in the skin where wrinkles form. Backed by years' worth of clinical trials, it also heals surface redness a