COSRX The Blue Copper Peptide Bakuchiol Serum Dupes & Cheaper Alternatives

A lightweight peptide drop that layers easily and feels almost watery on application. It makes sense for reactive, irritated skin needing barrier support, though acne-prone users report sudden breakouts and dry skin may dislike the finish.

A milky, thicker ampoule built around centella, niacinamide, panthenol, ceramide NP, and lactobacillus ferment. It suits dry, irritated, tret-on-a-bad-day skin and sits nicely under moisturizer. Acne-prone folks can still get clogged or break out.

Redditors mainly use this peptide serum for a glossy, layered routine, including alongside tretinoin and makeup. It reads more like complexion-enhancing skincare than a treatment, and niacinamide may trigger trouble for some reactive users.