Results: Three randomized controlled trials involving 2,289 patients were included
Korean formulas tend to prioritize tolerability and layering, and are frequently paired with soothing ingredients like Centella asiatica (cica), niacinamide, or hyaluronic acid, says Sarah Sheu, MD, a board-certified dermatologist based in Maple Valley, Washington
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Individuals with hormone-sensitive conditions Milk thistle may have mild estrogen-like activity
However, the technology requires specialized equipment and training that limit widespread implementation (Alcazar et al., 2011)