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My skin looks noticeably brighter after three weeks, and the lactic acid blend is gentle enough that I haven't had any peeling or irritation. It absorbs fast without that sticky feel, which is a big win for my morning routine.

I’ve been using this serum for about three weeks now, and the lactic acid really does the heavy lifting without any stinging—my morning glow is back, and even my husband noticed. The dropper dispenses just the right amount, so one bottle lasts way longer than I expected.

My skin texture has never looked this smooth, and the lactic and glycolic acid combo actually feels gentle rather than stingy. I've been using it every other night for three weeks, and the dullness is genuinely gone. The L-arginine must be doing something right.